2 * QLogic Fibre Channel HBA Driver
3 * Copyright (c) 2003-2008 QLogic Corporation
5 * See LICENSE.qla2xxx for copyright and licensing details.
9 #include <linux/delay.h>
10 #include <linux/vmalloc.h>
12 #include "qla_devtbl.h"
19 * QLogic ISP2x00 Hardware Support Function Prototypes.
21 static int qla2x00_isp_firmware(scsi_qla_host_t
*);
22 static void qla2x00_resize_request_q(scsi_qla_host_t
*);
23 static int qla2x00_setup_chip(scsi_qla_host_t
*);
24 static void qla2x00_init_response_q_entries(scsi_qla_host_t
*);
25 static int qla2x00_init_rings(scsi_qla_host_t
*);
26 static int qla2x00_fw_ready(scsi_qla_host_t
*);
27 static int qla2x00_configure_hba(scsi_qla_host_t
*);
28 static int qla2x00_configure_loop(scsi_qla_host_t
*);
29 static int qla2x00_configure_local_loop(scsi_qla_host_t
*);
30 static int qla2x00_configure_fabric(scsi_qla_host_t
*);
31 static int qla2x00_find_all_fabric_devs(scsi_qla_host_t
*, struct list_head
*);
32 static int qla2x00_device_resync(scsi_qla_host_t
*);
33 static int qla2x00_fabric_dev_login(scsi_qla_host_t
*, fc_port_t
*,
36 static int qla2x00_restart_isp(scsi_qla_host_t
*);
38 static int qla2x00_find_new_loop_id(scsi_qla_host_t
*ha
, fc_port_t
*dev
);
40 static struct qla_chip_state_84xx
*qla84xx_get_chip(struct scsi_qla_host
*);
41 static int qla84xx_init_chip(scsi_qla_host_t
*);
43 /****************************************************************************/
44 /* QLogic ISP2x00 Hardware Support Functions. */
45 /****************************************************************************/
48 * qla2x00_initialize_adapter
52 * ha = adapter block pointer.
58 qla2x00_initialize_adapter(scsi_qla_host_t
*ha
)
62 /* Clear adapter flags. */
64 ha
->flags
.reset_active
= 0;
65 atomic_set(&ha
->loop_down_timer
, LOOP_DOWN_TIME
);
66 atomic_set(&ha
->loop_state
, LOOP_DOWN
);
67 ha
->device_flags
= DFLG_NO_CABLE
;
69 ha
->flags
.management_server_logged_in
= 0;
70 ha
->marker_needed
= 0;
72 ha
->isp_abort_cnt
= 0;
73 ha
->beacon_blink_led
= 0;
74 set_bit(REGISTER_FDMI_NEEDED
, &ha
->dpc_flags
);
76 qla_printk(KERN_INFO
, ha
, "Configuring PCI space...\n");
77 rval
= ha
->isp_ops
->pci_config(ha
);
79 DEBUG2(printk("scsi(%ld): Unable to configure PCI space.\n",
84 ha
->isp_ops
->reset_chip(ha
);
86 ha
->isp_ops
->get_flash_version(ha
, ha
->request_ring
);
88 qla_printk(KERN_INFO
, ha
, "Configure NVRAM parameters...\n");
90 ha
->isp_ops
->nvram_config(ha
);
92 if (ha
->flags
.disable_serdes
) {
93 /* Mask HBA via NVRAM settings? */
94 qla_printk(KERN_INFO
, ha
, "Masking HBA WWPN "
95 "%02x%02x%02x%02x%02x%02x%02x%02x (via NVRAM).\n",
96 ha
->port_name
[0], ha
->port_name
[1],
97 ha
->port_name
[2], ha
->port_name
[3],
98 ha
->port_name
[4], ha
->port_name
[5],
99 ha
->port_name
[6], ha
->port_name
[7]);
100 return QLA_FUNCTION_FAILED
;
103 qla_printk(KERN_INFO
, ha
, "Verifying loaded RISC code...\n");
105 if (qla2x00_isp_firmware(ha
) != QLA_SUCCESS
) {
106 rval
= ha
->isp_ops
->chip_diag(ha
);
109 rval
= qla2x00_setup_chip(ha
);
112 qla2xxx_get_flash_info(ha
);
114 if (IS_QLA84XX(ha
)) {
115 ha
->cs84xx
= qla84xx_get_chip(ha
);
117 qla_printk(KERN_ERR
, ha
,
118 "Unable to configure ISP84XX.\n");
119 return QLA_FUNCTION_FAILED
;
122 rval
= qla2x00_init_rings(ha
);
128 * qla2100_pci_config() - Setup ISP21xx PCI configuration registers.
131 * Returns 0 on success.
134 qla2100_pci_config(scsi_qla_host_t
*ha
)
139 struct device_reg_2xxx __iomem
*reg
= &ha
->iobase
->isp
;
141 pci_set_master(ha
->pdev
);
142 pci_try_set_mwi(ha
->pdev
);
144 pci_read_config_word(ha
->pdev
, PCI_COMMAND
, &w
);
145 w
|= (PCI_COMMAND_PARITY
| PCI_COMMAND_SERR
);
146 pci_write_config_word(ha
->pdev
, PCI_COMMAND
, w
);
148 /* Reset expansion ROM address decode enable */
149 pci_read_config_dword(ha
->pdev
, PCI_ROM_ADDRESS
, &d
);
150 d
&= ~PCI_ROM_ADDRESS_ENABLE
;
151 pci_write_config_dword(ha
->pdev
, PCI_ROM_ADDRESS
, d
);
153 /* Get PCI bus information. */
154 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
155 ha
->pci_attr
= RD_REG_WORD(®
->ctrl_status
);
156 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
162 * qla2300_pci_config() - Setup ISP23xx PCI configuration registers.
165 * Returns 0 on success.
168 qla2300_pci_config(scsi_qla_host_t
*ha
)
172 unsigned long flags
= 0;
174 struct device_reg_2xxx __iomem
*reg
= &ha
->iobase
->isp
;
176 pci_set_master(ha
->pdev
);
177 pci_try_set_mwi(ha
->pdev
);
179 pci_read_config_word(ha
->pdev
, PCI_COMMAND
, &w
);
180 w
|= (PCI_COMMAND_PARITY
| PCI_COMMAND_SERR
);
182 if (IS_QLA2322(ha
) || IS_QLA6322(ha
))
183 w
&= ~PCI_COMMAND_INTX_DISABLE
;
184 pci_write_config_word(ha
->pdev
, PCI_COMMAND
, w
);
187 * If this is a 2300 card and not 2312, reset the
188 * COMMAND_INVALIDATE due to a bug in the 2300. Unfortunately,
189 * the 2310 also reports itself as a 2300 so we need to get the
190 * fb revision level -- a 6 indicates it really is a 2300 and
193 if (IS_QLA2300(ha
)) {
194 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
197 WRT_REG_WORD(®
->hccr
, HCCR_PAUSE_RISC
);
198 for (cnt
= 0; cnt
< 30000; cnt
++) {
199 if ((RD_REG_WORD(®
->hccr
) & HCCR_RISC_PAUSE
) != 0)
205 /* Select FPM registers. */
206 WRT_REG_WORD(®
->ctrl_status
, 0x20);
207 RD_REG_WORD(®
->ctrl_status
);
209 /* Get the fb rev level */
210 ha
->fb_rev
= RD_FB_CMD_REG(ha
, reg
);
212 if (ha
->fb_rev
== FPM_2300
)
213 pci_clear_mwi(ha
->pdev
);
215 /* Deselect FPM registers. */
216 WRT_REG_WORD(®
->ctrl_status
, 0x0);
217 RD_REG_WORD(®
->ctrl_status
);
219 /* Release RISC module. */
220 WRT_REG_WORD(®
->hccr
, HCCR_RELEASE_RISC
);
221 for (cnt
= 0; cnt
< 30000; cnt
++) {
222 if ((RD_REG_WORD(®
->hccr
) & HCCR_RISC_PAUSE
) == 0)
228 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
231 pci_write_config_byte(ha
->pdev
, PCI_LATENCY_TIMER
, 0x80);
233 /* Reset expansion ROM address decode enable */
234 pci_read_config_dword(ha
->pdev
, PCI_ROM_ADDRESS
, &d
);
235 d
&= ~PCI_ROM_ADDRESS_ENABLE
;
236 pci_write_config_dword(ha
->pdev
, PCI_ROM_ADDRESS
, d
);
238 /* Get PCI bus information. */
239 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
240 ha
->pci_attr
= RD_REG_WORD(®
->ctrl_status
);
241 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
247 * qla24xx_pci_config() - Setup ISP24xx PCI configuration registers.
250 * Returns 0 on success.
253 qla24xx_pci_config(scsi_qla_host_t
*ha
)
257 unsigned long flags
= 0;
258 struct device_reg_24xx __iomem
*reg
= &ha
->iobase
->isp24
;
260 pci_set_master(ha
->pdev
);
261 pci_try_set_mwi(ha
->pdev
);
263 pci_read_config_word(ha
->pdev
, PCI_COMMAND
, &w
);
264 w
|= (PCI_COMMAND_PARITY
| PCI_COMMAND_SERR
);
265 w
&= ~PCI_COMMAND_INTX_DISABLE
;
266 pci_write_config_word(ha
->pdev
, PCI_COMMAND
, w
);
268 pci_write_config_byte(ha
->pdev
, PCI_LATENCY_TIMER
, 0x80);
270 /* PCI-X -- adjust Maximum Memory Read Byte Count (2048). */
271 if (pci_find_capability(ha
->pdev
, PCI_CAP_ID_PCIX
))
272 pcix_set_mmrbc(ha
->pdev
, 2048);
274 /* PCIe -- adjust Maximum Read Request Size (2048). */
275 if (pci_find_capability(ha
->pdev
, PCI_CAP_ID_EXP
))
276 pcie_set_readrq(ha
->pdev
, 2048);
278 /* Reset expansion ROM address decode enable */
279 pci_read_config_dword(ha
->pdev
, PCI_ROM_ADDRESS
, &d
);
280 d
&= ~PCI_ROM_ADDRESS_ENABLE
;
281 pci_write_config_dword(ha
->pdev
, PCI_ROM_ADDRESS
, d
);
283 ha
->chip_revision
= ha
->pdev
->revision
;
285 /* Get PCI bus information. */
286 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
287 ha
->pci_attr
= RD_REG_DWORD(®
->ctrl_status
);
288 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
294 * qla25xx_pci_config() - Setup ISP25xx PCI configuration registers.
297 * Returns 0 on success.
300 qla25xx_pci_config(scsi_qla_host_t
*ha
)
305 pci_set_master(ha
->pdev
);
306 pci_try_set_mwi(ha
->pdev
);
308 pci_read_config_word(ha
->pdev
, PCI_COMMAND
, &w
);
309 w
|= (PCI_COMMAND_PARITY
| PCI_COMMAND_SERR
);
310 w
&= ~PCI_COMMAND_INTX_DISABLE
;
311 pci_write_config_word(ha
->pdev
, PCI_COMMAND
, w
);
313 /* PCIe -- adjust Maximum Read Request Size (2048). */
314 if (pci_find_capability(ha
->pdev
, PCI_CAP_ID_EXP
))
315 pcie_set_readrq(ha
->pdev
, 2048);
317 /* Reset expansion ROM address decode enable */
318 pci_read_config_dword(ha
->pdev
, PCI_ROM_ADDRESS
, &d
);
319 d
&= ~PCI_ROM_ADDRESS_ENABLE
;
320 pci_write_config_dword(ha
->pdev
, PCI_ROM_ADDRESS
, d
);
322 ha
->chip_revision
= ha
->pdev
->revision
;
328 * qla2x00_isp_firmware() - Choose firmware image.
331 * Returns 0 on success.
334 qla2x00_isp_firmware(scsi_qla_host_t
*ha
)
337 uint16_t loop_id
, topo
, sw_cap
;
338 uint8_t domain
, area
, al_pa
;
340 /* Assume loading risc code */
341 rval
= QLA_FUNCTION_FAILED
;
343 if (ha
->flags
.disable_risc_code_load
) {
344 DEBUG2(printk("scsi(%ld): RISC CODE NOT loaded\n",
346 qla_printk(KERN_INFO
, ha
, "RISC CODE NOT loaded\n");
348 /* Verify checksum of loaded RISC code. */
349 rval
= qla2x00_verify_checksum(ha
, ha
->fw_srisc_address
);
350 if (rval
== QLA_SUCCESS
) {
351 /* And, verify we are not in ROM code. */
352 rval
= qla2x00_get_adapter_id(ha
, &loop_id
, &al_pa
,
353 &area
, &domain
, &topo
, &sw_cap
);
358 DEBUG2_3(printk("scsi(%ld): **** Load RISC code ****\n",
366 * qla2x00_reset_chip() - Reset ISP chip.
369 * Returns 0 on success.
372 qla2x00_reset_chip(scsi_qla_host_t
*ha
)
374 unsigned long flags
= 0;
375 struct device_reg_2xxx __iomem
*reg
= &ha
->iobase
->isp
;
379 ha
->isp_ops
->disable_intrs(ha
);
381 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
383 /* Turn off master enable */
385 pci_read_config_word(ha
->pdev
, PCI_COMMAND
, &cmd
);
386 cmd
&= ~PCI_COMMAND_MASTER
;
387 pci_write_config_word(ha
->pdev
, PCI_COMMAND
, cmd
);
389 if (!IS_QLA2100(ha
)) {
391 WRT_REG_WORD(®
->hccr
, HCCR_PAUSE_RISC
);
392 if (IS_QLA2200(ha
) || IS_QLA2300(ha
)) {
393 for (cnt
= 0; cnt
< 30000; cnt
++) {
394 if ((RD_REG_WORD(®
->hccr
) &
395 HCCR_RISC_PAUSE
) != 0)
400 RD_REG_WORD(®
->hccr
); /* PCI Posting. */
404 /* Select FPM registers. */
405 WRT_REG_WORD(®
->ctrl_status
, 0x20);
406 RD_REG_WORD(®
->ctrl_status
); /* PCI Posting. */
408 /* FPM Soft Reset. */
409 WRT_REG_WORD(®
->fpm_diag_config
, 0x100);
410 RD_REG_WORD(®
->fpm_diag_config
); /* PCI Posting. */
412 /* Toggle Fpm Reset. */
413 if (!IS_QLA2200(ha
)) {
414 WRT_REG_WORD(®
->fpm_diag_config
, 0x0);
415 RD_REG_WORD(®
->fpm_diag_config
); /* PCI Posting. */
418 /* Select frame buffer registers. */
419 WRT_REG_WORD(®
->ctrl_status
, 0x10);
420 RD_REG_WORD(®
->ctrl_status
); /* PCI Posting. */
422 /* Reset frame buffer FIFOs. */
423 if (IS_QLA2200(ha
)) {
424 WRT_FB_CMD_REG(ha
, reg
, 0xa000);
425 RD_FB_CMD_REG(ha
, reg
); /* PCI Posting. */
427 WRT_FB_CMD_REG(ha
, reg
, 0x00fc);
429 /* Read back fb_cmd until zero or 3 seconds max */
430 for (cnt
= 0; cnt
< 3000; cnt
++) {
431 if ((RD_FB_CMD_REG(ha
, reg
) & 0xff) == 0)
437 /* Select RISC module registers. */
438 WRT_REG_WORD(®
->ctrl_status
, 0);
439 RD_REG_WORD(®
->ctrl_status
); /* PCI Posting. */
441 /* Reset RISC processor. */
442 WRT_REG_WORD(®
->hccr
, HCCR_RESET_RISC
);
443 RD_REG_WORD(®
->hccr
); /* PCI Posting. */
445 /* Release RISC processor. */
446 WRT_REG_WORD(®
->hccr
, HCCR_RELEASE_RISC
);
447 RD_REG_WORD(®
->hccr
); /* PCI Posting. */
450 WRT_REG_WORD(®
->hccr
, HCCR_CLR_RISC_INT
);
451 WRT_REG_WORD(®
->hccr
, HCCR_CLR_HOST_INT
);
453 /* Reset ISP chip. */
454 WRT_REG_WORD(®
->ctrl_status
, CSR_ISP_SOFT_RESET
);
456 /* Wait for RISC to recover from reset. */
457 if (IS_QLA2100(ha
) || IS_QLA2200(ha
) || IS_QLA2300(ha
)) {
459 * It is necessary to for a delay here since the card doesn't
460 * respond to PCI reads during a reset. On some architectures
461 * this will result in an MCA.
464 for (cnt
= 30000; cnt
; cnt
--) {
465 if ((RD_REG_WORD(®
->ctrl_status
) &
466 CSR_ISP_SOFT_RESET
) == 0)
473 /* Reset RISC processor. */
474 WRT_REG_WORD(®
->hccr
, HCCR_RESET_RISC
);
476 WRT_REG_WORD(®
->semaphore
, 0);
478 /* Release RISC processor. */
479 WRT_REG_WORD(®
->hccr
, HCCR_RELEASE_RISC
);
480 RD_REG_WORD(®
->hccr
); /* PCI Posting. */
482 if (IS_QLA2100(ha
) || IS_QLA2200(ha
) || IS_QLA2300(ha
)) {
483 for (cnt
= 0; cnt
< 30000; cnt
++) {
484 if (RD_MAILBOX_REG(ha
, reg
, 0) != MBS_BUSY
)
492 /* Turn on master enable */
493 cmd
|= PCI_COMMAND_MASTER
;
494 pci_write_config_word(ha
->pdev
, PCI_COMMAND
, cmd
);
496 /* Disable RISC pause on FPM parity error. */
497 if (!IS_QLA2100(ha
)) {
498 WRT_REG_WORD(®
->hccr
, HCCR_DISABLE_PARITY_PAUSE
);
499 RD_REG_WORD(®
->hccr
); /* PCI Posting. */
502 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
506 * qla24xx_reset_risc() - Perform full reset of ISP24xx RISC.
509 * Returns 0 on success.
512 qla24xx_reset_risc(scsi_qla_host_t
*ha
)
515 unsigned long flags
= 0;
516 struct device_reg_24xx __iomem
*reg
= &ha
->iobase
->isp24
;
520 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
523 WRT_REG_DWORD(®
->ctrl_status
, CSRX_DMA_SHUTDOWN
|MWB_4096_BYTES
);
524 for (cnt
= 0; cnt
< 30000; cnt
++) {
525 if ((RD_REG_DWORD(®
->ctrl_status
) & CSRX_DMA_ACTIVE
) == 0)
531 WRT_REG_DWORD(®
->ctrl_status
,
532 CSRX_ISP_SOFT_RESET
|CSRX_DMA_SHUTDOWN
|MWB_4096_BYTES
);
533 pci_read_config_word(ha
->pdev
, PCI_COMMAND
, &wd
);
536 /* Wait for firmware to complete NVRAM accesses. */
537 d2
= (uint32_t) RD_REG_WORD(®
->mailbox0
);
538 for (cnt
= 10000 ; cnt
&& d2
; cnt
--) {
540 d2
= (uint32_t) RD_REG_WORD(®
->mailbox0
);
546 /* Wait for soft-reset to complete. */
547 d2
= RD_REG_DWORD(®
->ctrl_status
);
548 for (cnt
= 6000000 ; cnt
&& (d2
& CSRX_ISP_SOFT_RESET
); cnt
--) {
550 d2
= RD_REG_DWORD(®
->ctrl_status
);
553 if (cnt
== 0 || hw_evt
)
554 qla2xxx_hw_event_log(ha
, HW_EVENT_RESET_ERR
,
555 RD_REG_WORD(®
->mailbox1
), RD_REG_WORD(®
->mailbox2
),
556 RD_REG_WORD(®
->mailbox3
));
558 WRT_REG_DWORD(®
->hccr
, HCCRX_SET_RISC_RESET
);
559 RD_REG_DWORD(®
->hccr
);
561 WRT_REG_DWORD(®
->hccr
, HCCRX_REL_RISC_PAUSE
);
562 RD_REG_DWORD(®
->hccr
);
564 WRT_REG_DWORD(®
->hccr
, HCCRX_CLR_RISC_RESET
);
565 RD_REG_DWORD(®
->hccr
);
567 d2
= (uint32_t) RD_REG_WORD(®
->mailbox0
);
568 for (cnt
= 6000000 ; cnt
&& d2
; cnt
--) {
570 d2
= (uint32_t) RD_REG_WORD(®
->mailbox0
);
574 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
578 * qla24xx_reset_chip() - Reset ISP24xx chip.
581 * Returns 0 on success.
584 qla24xx_reset_chip(scsi_qla_host_t
*ha
)
586 ha
->isp_ops
->disable_intrs(ha
);
588 /* Perform RISC reset. */
589 qla24xx_reset_risc(ha
);
593 * qla2x00_chip_diag() - Test chip for proper operation.
596 * Returns 0 on success.
599 qla2x00_chip_diag(scsi_qla_host_t
*ha
)
602 struct device_reg_2xxx __iomem
*reg
= &ha
->iobase
->isp
;
603 unsigned long flags
= 0;
608 /* Assume a failed state */
609 rval
= QLA_FUNCTION_FAILED
;
611 DEBUG3(printk("scsi(%ld): Testing device at %lx.\n",
612 ha
->host_no
, (u_long
)®
->flash_address
));
614 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
616 /* Reset ISP chip. */
617 WRT_REG_WORD(®
->ctrl_status
, CSR_ISP_SOFT_RESET
);
620 * We need to have a delay here since the card will not respond while
621 * in reset causing an MCA on some architectures.
624 data
= qla2x00_debounce_register(®
->ctrl_status
);
625 for (cnt
= 6000000 ; cnt
&& (data
& CSR_ISP_SOFT_RESET
); cnt
--) {
627 data
= RD_REG_WORD(®
->ctrl_status
);
632 goto chip_diag_failed
;
634 DEBUG3(printk("scsi(%ld): Reset register cleared by chip reset\n",
637 /* Reset RISC processor. */
638 WRT_REG_WORD(®
->hccr
, HCCR_RESET_RISC
);
639 WRT_REG_WORD(®
->hccr
, HCCR_RELEASE_RISC
);
641 /* Workaround for QLA2312 PCI parity error */
642 if (IS_QLA2100(ha
) || IS_QLA2200(ha
) || IS_QLA2300(ha
)) {
643 data
= qla2x00_debounce_register(MAILBOX_REG(ha
, reg
, 0));
644 for (cnt
= 6000000; cnt
&& (data
== MBS_BUSY
); cnt
--) {
646 data
= RD_MAILBOX_REG(ha
, reg
, 0);
653 goto chip_diag_failed
;
655 /* Check product ID of chip */
656 DEBUG3(printk("scsi(%ld): Checking product ID of chip\n", ha
->host_no
));
658 mb
[1] = RD_MAILBOX_REG(ha
, reg
, 1);
659 mb
[2] = RD_MAILBOX_REG(ha
, reg
, 2);
660 mb
[3] = RD_MAILBOX_REG(ha
, reg
, 3);
661 mb
[4] = qla2x00_debounce_register(MAILBOX_REG(ha
, reg
, 4));
662 if (mb
[1] != PROD_ID_1
|| (mb
[2] != PROD_ID_2
&& mb
[2] != PROD_ID_2a
) ||
663 mb
[3] != PROD_ID_3
) {
664 qla_printk(KERN_WARNING
, ha
,
665 "Wrong product ID = 0x%x,0x%x,0x%x\n", mb
[1], mb
[2], mb
[3]);
667 goto chip_diag_failed
;
669 ha
->product_id
[0] = mb
[1];
670 ha
->product_id
[1] = mb
[2];
671 ha
->product_id
[2] = mb
[3];
672 ha
->product_id
[3] = mb
[4];
674 /* Adjust fw RISC transfer size */
675 if (ha
->request_q_length
> 1024)
676 ha
->fw_transfer_size
= REQUEST_ENTRY_SIZE
* 1024;
678 ha
->fw_transfer_size
= REQUEST_ENTRY_SIZE
*
679 ha
->request_q_length
;
681 if (IS_QLA2200(ha
) &&
682 RD_MAILBOX_REG(ha
, reg
, 7) == QLA2200A_RISC_ROM_VER
) {
683 /* Limit firmware transfer size with a 2200A */
684 DEBUG3(printk("scsi(%ld): Found QLA2200A chip.\n",
687 ha
->device_type
|= DT_ISP2200A
;
688 ha
->fw_transfer_size
= 128;
691 /* Wrap Incoming Mailboxes Test. */
692 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
694 DEBUG3(printk("scsi(%ld): Checking mailboxes.\n", ha
->host_no
));
695 rval
= qla2x00_mbx_reg_test(ha
);
697 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n",
699 qla_printk(KERN_WARNING
, ha
,
700 "Failed mailbox send register test\n");
703 /* Flag a successful rval */
706 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
710 DEBUG2_3(printk("scsi(%ld): Chip diagnostics **** FAILED "
711 "****\n", ha
->host_no
));
713 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
719 * qla24xx_chip_diag() - Test ISP24xx for proper operation.
722 * Returns 0 on success.
725 qla24xx_chip_diag(scsi_qla_host_t
*ha
)
729 /* Perform RISC reset. */
730 qla24xx_reset_risc(ha
);
732 ha
->fw_transfer_size
= REQUEST_ENTRY_SIZE
* ha
->request_q_length
;
734 rval
= qla2x00_mbx_reg_test(ha
);
736 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n",
738 qla_printk(KERN_WARNING
, ha
,
739 "Failed mailbox send register test\n");
741 /* Flag a successful rval */
749 qla2x00_alloc_fw_dump(scsi_qla_host_t
*ha
)
752 uint32_t dump_size
, fixed_size
, mem_size
, req_q_size
, rsp_q_size
,
758 qla_printk(KERN_WARNING
, ha
,
759 "Firmware dump previously allocated.\n");
764 fixed_size
= mem_size
= eft_size
= fce_size
= 0;
765 if (IS_QLA2100(ha
) || IS_QLA2200(ha
)) {
766 fixed_size
= sizeof(struct qla2100_fw_dump
);
767 } else if (IS_QLA23XX(ha
)) {
768 fixed_size
= offsetof(struct qla2300_fw_dump
, data_ram
);
769 mem_size
= (ha
->fw_memory_size
- 0x11000 + 1) *
771 } else if (IS_FWI2_CAPABLE(ha
)) {
772 fixed_size
= IS_QLA25XX(ha
) ?
773 offsetof(struct qla25xx_fw_dump
, ext_mem
):
774 offsetof(struct qla24xx_fw_dump
, ext_mem
);
775 mem_size
= (ha
->fw_memory_size
- 0x100000 + 1) *
778 /* Allocate memory for Fibre Channel Event Buffer. */
782 tc
= dma_alloc_coherent(&ha
->pdev
->dev
, FCE_SIZE
, &tc_dma
,
785 qla_printk(KERN_WARNING
, ha
, "Unable to allocate "
786 "(%d KB) for FCE.\n", FCE_SIZE
/ 1024);
790 memset(tc
, 0, FCE_SIZE
);
791 rval
= qla2x00_enable_fce_trace(ha
, tc_dma
, FCE_NUM_BUFFERS
,
792 ha
->fce_mb
, &ha
->fce_bufs
);
794 qla_printk(KERN_WARNING
, ha
, "Unable to initialize "
795 "FCE (%d).\n", rval
);
796 dma_free_coherent(&ha
->pdev
->dev
, FCE_SIZE
, tc
,
798 ha
->flags
.fce_enabled
= 0;
802 qla_printk(KERN_INFO
, ha
, "Allocated (%d KB) for FCE...\n",
805 fce_size
= sizeof(struct qla2xxx_fce_chain
) + EFT_SIZE
;
806 ha
->flags
.fce_enabled
= 1;
807 ha
->fce_dma
= tc_dma
;
810 /* Allocate memory for Extended Trace Buffer. */
811 tc
= dma_alloc_coherent(&ha
->pdev
->dev
, EFT_SIZE
, &tc_dma
,
814 qla_printk(KERN_WARNING
, ha
, "Unable to allocate "
815 "(%d KB) for EFT.\n", EFT_SIZE
/ 1024);
819 memset(tc
, 0, EFT_SIZE
);
820 rval
= qla2x00_enable_eft_trace(ha
, tc_dma
, EFT_NUM_BUFFERS
);
822 qla_printk(KERN_WARNING
, ha
, "Unable to initialize "
823 "EFT (%d).\n", rval
);
824 dma_free_coherent(&ha
->pdev
->dev
, EFT_SIZE
, tc
,
829 qla_printk(KERN_INFO
, ha
, "Allocated (%d KB) for EFT...\n",
833 ha
->eft_dma
= tc_dma
;
837 req_q_size
= ha
->request_q_length
* sizeof(request_t
);
838 rsp_q_size
= ha
->response_q_length
* sizeof(response_t
);
840 dump_size
= offsetof(struct qla2xxx_fw_dump
, isp
);
841 dump_size
+= fixed_size
+ mem_size
+ req_q_size
+ rsp_q_size
+
844 ha
->fw_dump
= vmalloc(dump_size
);
846 qla_printk(KERN_WARNING
, ha
, "Unable to allocate (%d KB) for "
847 "firmware dump!!!\n", dump_size
/ 1024);
850 dma_free_coherent(&ha
->pdev
->dev
, eft_size
, ha
->eft
,
858 qla_printk(KERN_INFO
, ha
, "Allocated (%d KB) for firmware dump...\n",
861 ha
->fw_dump_len
= dump_size
;
862 ha
->fw_dump
->signature
[0] = 'Q';
863 ha
->fw_dump
->signature
[1] = 'L';
864 ha
->fw_dump
->signature
[2] = 'G';
865 ha
->fw_dump
->signature
[3] = 'C';
866 ha
->fw_dump
->version
= __constant_htonl(1);
868 ha
->fw_dump
->fixed_size
= htonl(fixed_size
);
869 ha
->fw_dump
->mem_size
= htonl(mem_size
);
870 ha
->fw_dump
->req_q_size
= htonl(req_q_size
);
871 ha
->fw_dump
->rsp_q_size
= htonl(rsp_q_size
);
873 ha
->fw_dump
->eft_size
= htonl(eft_size
);
874 ha
->fw_dump
->eft_addr_l
= htonl(LSD(ha
->eft_dma
));
875 ha
->fw_dump
->eft_addr_h
= htonl(MSD(ha
->eft_dma
));
877 ha
->fw_dump
->header_size
=
878 htonl(offsetof(struct qla2xxx_fw_dump
, isp
));
882 * qla2x00_resize_request_q() - Resize request queue given available ISP memory.
885 * Returns 0 on success.
888 qla2x00_resize_request_q(scsi_qla_host_t
*ha
)
891 uint16_t fw_iocb_cnt
= 0;
892 uint16_t request_q_length
= REQUEST_ENTRY_CNT_2XXX_EXT_MEM
;
893 dma_addr_t request_dma
;
894 request_t
*request_ring
;
896 /* Valid only on recent ISPs. */
897 if (IS_QLA2100(ha
) || IS_QLA2200(ha
))
900 /* Retrieve IOCB counts available to the firmware. */
901 rval
= qla2x00_get_resource_cnts(ha
, NULL
, NULL
, NULL
, &fw_iocb_cnt
,
902 &ha
->max_npiv_vports
);
905 /* No point in continuing if current settings are sufficient. */
906 if (fw_iocb_cnt
< 1024)
908 if (ha
->request_q_length
>= request_q_length
)
911 /* Attempt to claim larger area for request queue. */
912 request_ring
= dma_alloc_coherent(&ha
->pdev
->dev
,
913 (request_q_length
+ 1) * sizeof(request_t
), &request_dma
,
915 if (request_ring
== NULL
)
918 /* Resize successful, report extensions. */
919 qla_printk(KERN_INFO
, ha
, "Extended memory detected (%d KB)...\n",
920 (ha
->fw_memory_size
+ 1) / 1024);
921 qla_printk(KERN_INFO
, ha
, "Resizing request queue depth "
922 "(%d -> %d)...\n", ha
->request_q_length
, request_q_length
);
924 /* Clear old allocations. */
925 dma_free_coherent(&ha
->pdev
->dev
,
926 (ha
->request_q_length
+ 1) * sizeof(request_t
), ha
->request_ring
,
929 /* Begin using larger queue. */
930 ha
->request_q_length
= request_q_length
;
931 ha
->request_ring
= request_ring
;
932 ha
->request_dma
= request_dma
;
936 * qla2x00_setup_chip() - Load and start RISC firmware.
939 * Returns 0 on success.
942 qla2x00_setup_chip(scsi_qla_host_t
*ha
)
945 uint32_t srisc_address
= 0;
946 struct device_reg_2xxx __iomem
*reg
= &ha
->iobase
->isp
;
949 if (!IS_FWI2_CAPABLE(ha
) && !IS_QLA2100(ha
) && !IS_QLA2200(ha
)) {
950 /* Disable SRAM, Instruction RAM and GP RAM parity. */
951 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
952 WRT_REG_WORD(®
->hccr
, (HCCR_ENABLE_PARITY
+ 0x0));
953 RD_REG_WORD(®
->hccr
);
954 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
957 /* Load firmware sequences */
958 rval
= ha
->isp_ops
->load_risc(ha
, &srisc_address
);
959 if (rval
== QLA_SUCCESS
) {
960 DEBUG(printk("scsi(%ld): Verifying Checksum of loaded RISC "
961 "code.\n", ha
->host_no
));
963 rval
= qla2x00_verify_checksum(ha
, srisc_address
);
964 if (rval
== QLA_SUCCESS
) {
965 /* Start firmware execution. */
966 DEBUG(printk("scsi(%ld): Checksum OK, start "
967 "firmware.\n", ha
->host_no
));
969 rval
= qla2x00_execute_fw(ha
, srisc_address
);
970 /* Retrieve firmware information. */
971 if (rval
== QLA_SUCCESS
&& ha
->fw_major_version
== 0) {
972 qla2x00_get_fw_version(ha
,
973 &ha
->fw_major_version
,
974 &ha
->fw_minor_version
,
975 &ha
->fw_subminor_version
,
976 &ha
->fw_attributes
, &ha
->fw_memory_size
);
977 qla2x00_resize_request_q(ha
);
978 ha
->flags
.npiv_supported
= 0;
979 if ((IS_QLA24XX(ha
) || IS_QLA25XX(ha
)) &&
980 (ha
->fw_attributes
& BIT_2
)) {
981 ha
->flags
.npiv_supported
= 1;
982 if ((!ha
->max_npiv_vports
) ||
983 ((ha
->max_npiv_vports
+ 1) %
984 MIN_MULTI_ID_FABRIC
))
985 ha
->max_npiv_vports
=
986 MIN_MULTI_ID_FABRIC
- 1;
990 qla2x00_alloc_fw_dump(ha
);
993 DEBUG2(printk(KERN_INFO
994 "scsi(%ld): ISP Firmware failed checksum.\n",
999 if (!IS_FWI2_CAPABLE(ha
) && !IS_QLA2100(ha
) && !IS_QLA2200(ha
)) {
1000 /* Enable proper parity. */
1001 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
1004 WRT_REG_WORD(®
->hccr
, HCCR_ENABLE_PARITY
+ 0x1);
1006 /* SRAM, Instruction RAM and GP RAM parity */
1007 WRT_REG_WORD(®
->hccr
, HCCR_ENABLE_PARITY
+ 0x7);
1008 RD_REG_WORD(®
->hccr
);
1009 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
1013 DEBUG2_3(printk("scsi(%ld): Setup chip **** FAILED ****.\n",
1021 * qla2x00_init_response_q_entries() - Initializes response queue entries.
1024 * Beginning of request ring has initialization control block already built
1025 * by nvram config routine.
1027 * Returns 0 on success.
1030 qla2x00_init_response_q_entries(scsi_qla_host_t
*ha
)
1035 pkt
= ha
->response_ring_ptr
;
1036 for (cnt
= 0; cnt
< ha
->response_q_length
; cnt
++) {
1037 pkt
->signature
= RESPONSE_PROCESSED
;
1044 * qla2x00_update_fw_options() - Read and process firmware options.
1047 * Returns 0 on success.
1050 qla2x00_update_fw_options(scsi_qla_host_t
*ha
)
1052 uint16_t swing
, emphasis
, tx_sens
, rx_sens
;
1054 memset(ha
->fw_options
, 0, sizeof(ha
->fw_options
));
1055 qla2x00_get_fw_options(ha
, ha
->fw_options
);
1057 if (IS_QLA2100(ha
) || IS_QLA2200(ha
))
1060 /* Serial Link options. */
1061 DEBUG3(printk("scsi(%ld): Serial link options:\n",
1063 DEBUG3(qla2x00_dump_buffer((uint8_t *)&ha
->fw_seriallink_options
,
1064 sizeof(ha
->fw_seriallink_options
)));
1066 ha
->fw_options
[1] &= ~FO1_SET_EMPHASIS_SWING
;
1067 if (ha
->fw_seriallink_options
[3] & BIT_2
) {
1068 ha
->fw_options
[1] |= FO1_SET_EMPHASIS_SWING
;
1071 swing
= ha
->fw_seriallink_options
[2] & (BIT_2
| BIT_1
| BIT_0
);
1072 emphasis
= (ha
->fw_seriallink_options
[2] &
1073 (BIT_4
| BIT_3
)) >> 3;
1074 tx_sens
= ha
->fw_seriallink_options
[0] &
1075 (BIT_3
| BIT_2
| BIT_1
| BIT_0
);
1076 rx_sens
= (ha
->fw_seriallink_options
[0] &
1077 (BIT_7
| BIT_6
| BIT_5
| BIT_4
)) >> 4;
1078 ha
->fw_options
[10] = (emphasis
<< 14) | (swing
<< 8);
1079 if (IS_QLA2300(ha
) || IS_QLA2312(ha
) || IS_QLA6312(ha
)) {
1082 ha
->fw_options
[10] |= (tx_sens
<< 4) | rx_sens
;
1083 } else if (IS_QLA2322(ha
) || IS_QLA6322(ha
))
1084 ha
->fw_options
[10] |= BIT_5
|
1085 ((rx_sens
& (BIT_1
| BIT_0
)) << 2) |
1086 (tx_sens
& (BIT_1
| BIT_0
));
1089 swing
= (ha
->fw_seriallink_options
[2] &
1090 (BIT_7
| BIT_6
| BIT_5
)) >> 5;
1091 emphasis
= ha
->fw_seriallink_options
[3] & (BIT_1
| BIT_0
);
1092 tx_sens
= ha
->fw_seriallink_options
[1] &
1093 (BIT_3
| BIT_2
| BIT_1
| BIT_0
);
1094 rx_sens
= (ha
->fw_seriallink_options
[1] &
1095 (BIT_7
| BIT_6
| BIT_5
| BIT_4
)) >> 4;
1096 ha
->fw_options
[11] = (emphasis
<< 14) | (swing
<< 8);
1097 if (IS_QLA2300(ha
) || IS_QLA2312(ha
) || IS_QLA6312(ha
)) {
1100 ha
->fw_options
[11] |= (tx_sens
<< 4) | rx_sens
;
1101 } else if (IS_QLA2322(ha
) || IS_QLA6322(ha
))
1102 ha
->fw_options
[11] |= BIT_5
|
1103 ((rx_sens
& (BIT_1
| BIT_0
)) << 2) |
1104 (tx_sens
& (BIT_1
| BIT_0
));
1108 /* Return command IOCBs without waiting for an ABTS to complete. */
1109 ha
->fw_options
[3] |= BIT_13
;
1112 if (ha
->flags
.enable_led_scheme
)
1113 ha
->fw_options
[2] |= BIT_12
;
1115 /* Detect ISP6312. */
1117 ha
->fw_options
[2] |= BIT_13
;
1119 /* Update firmware options. */
1120 qla2x00_set_fw_options(ha
, ha
->fw_options
);
1124 qla24xx_update_fw_options(scsi_qla_host_t
*ha
)
1128 /* Update Serial Link options. */
1129 if ((le16_to_cpu(ha
->fw_seriallink_options24
[0]) & BIT_0
) == 0)
1132 rval
= qla2x00_set_serdes_params(ha
,
1133 le16_to_cpu(ha
->fw_seriallink_options24
[1]),
1134 le16_to_cpu(ha
->fw_seriallink_options24
[2]),
1135 le16_to_cpu(ha
->fw_seriallink_options24
[3]));
1136 if (rval
!= QLA_SUCCESS
) {
1137 qla_printk(KERN_WARNING
, ha
,
1138 "Unable to update Serial Link options (%x).\n", rval
);
1143 qla2x00_config_rings(struct scsi_qla_host
*ha
)
1145 struct device_reg_2xxx __iomem
*reg
= &ha
->iobase
->isp
;
1147 /* Setup ring parameters in initialization control block. */
1148 ha
->init_cb
->request_q_outpointer
= __constant_cpu_to_le16(0);
1149 ha
->init_cb
->response_q_inpointer
= __constant_cpu_to_le16(0);
1150 ha
->init_cb
->request_q_length
= cpu_to_le16(ha
->request_q_length
);
1151 ha
->init_cb
->response_q_length
= cpu_to_le16(ha
->response_q_length
);
1152 ha
->init_cb
->request_q_address
[0] = cpu_to_le32(LSD(ha
->request_dma
));
1153 ha
->init_cb
->request_q_address
[1] = cpu_to_le32(MSD(ha
->request_dma
));
1154 ha
->init_cb
->response_q_address
[0] = cpu_to_le32(LSD(ha
->response_dma
));
1155 ha
->init_cb
->response_q_address
[1] = cpu_to_le32(MSD(ha
->response_dma
));
1157 WRT_REG_WORD(ISP_REQ_Q_IN(ha
, reg
), 0);
1158 WRT_REG_WORD(ISP_REQ_Q_OUT(ha
, reg
), 0);
1159 WRT_REG_WORD(ISP_RSP_Q_IN(ha
, reg
), 0);
1160 WRT_REG_WORD(ISP_RSP_Q_OUT(ha
, reg
), 0);
1161 RD_REG_WORD(ISP_RSP_Q_OUT(ha
, reg
)); /* PCI Posting. */
1165 qla24xx_config_rings(struct scsi_qla_host
*ha
)
1167 struct device_reg_24xx __iomem
*reg
= &ha
->iobase
->isp24
;
1168 struct init_cb_24xx
*icb
;
1170 /* Setup ring parameters in initialization control block. */
1171 icb
= (struct init_cb_24xx
*)ha
->init_cb
;
1172 icb
->request_q_outpointer
= __constant_cpu_to_le16(0);
1173 icb
->response_q_inpointer
= __constant_cpu_to_le16(0);
1174 icb
->request_q_length
= cpu_to_le16(ha
->request_q_length
);
1175 icb
->response_q_length
= cpu_to_le16(ha
->response_q_length
);
1176 icb
->request_q_address
[0] = cpu_to_le32(LSD(ha
->request_dma
));
1177 icb
->request_q_address
[1] = cpu_to_le32(MSD(ha
->request_dma
));
1178 icb
->response_q_address
[0] = cpu_to_le32(LSD(ha
->response_dma
));
1179 icb
->response_q_address
[1] = cpu_to_le32(MSD(ha
->response_dma
));
1181 WRT_REG_DWORD(®
->req_q_in
, 0);
1182 WRT_REG_DWORD(®
->req_q_out
, 0);
1183 WRT_REG_DWORD(®
->rsp_q_in
, 0);
1184 WRT_REG_DWORD(®
->rsp_q_out
, 0);
1185 RD_REG_DWORD(®
->rsp_q_out
);
1189 * qla2x00_init_rings() - Initializes firmware.
1192 * Beginning of request ring has initialization control block already built
1193 * by nvram config routine.
1195 * Returns 0 on success.
1198 qla2x00_init_rings(scsi_qla_host_t
*ha
)
1201 unsigned long flags
= 0;
1203 struct mid_init_cb_24xx
*mid_init_cb
=
1204 (struct mid_init_cb_24xx
*) ha
->init_cb
;
1206 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
1208 /* Clear outstanding commands array. */
1209 for (cnt
= 0; cnt
< MAX_OUTSTANDING_COMMANDS
; cnt
++)
1210 ha
->outstanding_cmds
[cnt
] = NULL
;
1212 ha
->current_outstanding_cmd
= 0;
1214 /* Clear RSCN queue. */
1215 ha
->rscn_in_ptr
= 0;
1216 ha
->rscn_out_ptr
= 0;
1218 /* Initialize firmware. */
1219 ha
->request_ring_ptr
= ha
->request_ring
;
1220 ha
->req_ring_index
= 0;
1221 ha
->req_q_cnt
= ha
->request_q_length
;
1222 ha
->response_ring_ptr
= ha
->response_ring
;
1223 ha
->rsp_ring_index
= 0;
1225 /* Initialize response queue entries */
1226 qla2x00_init_response_q_entries(ha
);
1228 ha
->isp_ops
->config_rings(ha
);
1230 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
1232 /* Update any ISP specific firmware options before initialization. */
1233 ha
->isp_ops
->update_fw_options(ha
);
1235 DEBUG(printk("scsi(%ld): Issue init firmware.\n", ha
->host_no
));
1237 if (ha
->flags
.npiv_supported
)
1238 mid_init_cb
->count
= cpu_to_le16(ha
->max_npiv_vports
);
1240 mid_init_cb
->options
= __constant_cpu_to_le16(BIT_1
);
1242 rval
= qla2x00_init_firmware(ha
, ha
->init_cb_size
);
1244 DEBUG2_3(printk("scsi(%ld): Init firmware **** FAILED ****.\n",
1247 DEBUG3(printk("scsi(%ld): Init firmware -- success.\n",
1255 * qla2x00_fw_ready() - Waits for firmware ready.
1258 * Returns 0 on success.
1261 qla2x00_fw_ready(scsi_qla_host_t
*ha
)
1264 unsigned long wtime
, mtime
, cs84xx_time
;
1265 uint16_t min_wait
; /* Minimum wait time if loop is down */
1266 uint16_t wait_time
; /* Wait time if loop is coming ready */
1271 /* 20 seconds for loop down. */
1275 * Firmware should take at most one RATOV to login, plus 5 seconds for
1276 * our own processing.
1278 if ((wait_time
= (ha
->retry_count
*ha
->login_timeout
) + 5) < min_wait
) {
1279 wait_time
= min_wait
;
1282 /* Min wait time if loop down */
1283 mtime
= jiffies
+ (min_wait
* HZ
);
1285 /* wait time before firmware ready */
1286 wtime
= jiffies
+ (wait_time
* HZ
);
1288 /* Wait for ISP to finish LIP */
1289 if (!ha
->flags
.init_done
)
1290 qla_printk(KERN_INFO
, ha
, "Waiting for LIP to complete...\n");
1292 DEBUG3(printk("scsi(%ld): Waiting for LIP to complete...\n",
1296 rval
= qla2x00_get_firmware_state(ha
, state
);
1297 if (rval
== QLA_SUCCESS
) {
1298 if (state
[0] < FSTATE_LOSS_OF_SYNC
) {
1299 ha
->device_flags
&= ~DFLG_NO_CABLE
;
1301 if (IS_QLA84XX(ha
) && state
[0] != FSTATE_READY
) {
1302 DEBUG16(printk("scsi(%ld): fw_state=%x "
1303 "84xx=%x.\n", ha
->host_no
, state
[0],
1305 if ((state
[2] & FSTATE_LOGGED_IN
) &&
1306 (state
[2] & FSTATE_WAITING_FOR_VERIFY
)) {
1307 DEBUG16(printk("scsi(%ld): Sending "
1308 "verify iocb.\n", ha
->host_no
));
1310 cs84xx_time
= jiffies
;
1311 rval
= qla84xx_init_chip(ha
);
1312 if (rval
!= QLA_SUCCESS
)
1315 /* Add time taken to initialize. */
1316 cs84xx_time
= jiffies
- cs84xx_time
;
1317 wtime
+= cs84xx_time
;
1318 mtime
+= cs84xx_time
;
1319 DEBUG16(printk("scsi(%ld): Increasing "
1320 "wait time by %ld. New time %ld\n",
1321 ha
->host_no
, cs84xx_time
, wtime
));
1323 } else if (state
[0] == FSTATE_READY
) {
1324 DEBUG(printk("scsi(%ld): F/W Ready - OK \n",
1327 qla2x00_get_retry_cnt(ha
, &ha
->retry_count
,
1328 &ha
->login_timeout
, &ha
->r_a_tov
);
1334 rval
= QLA_FUNCTION_FAILED
;
1336 if (atomic_read(&ha
->loop_down_timer
) &&
1337 state
[0] != FSTATE_READY
) {
1338 /* Loop down. Timeout on min_wait for states
1339 * other than Wait for Login.
1341 if (time_after_eq(jiffies
, mtime
)) {
1342 qla_printk(KERN_INFO
, ha
,
1343 "Cable is unplugged...\n");
1345 ha
->device_flags
|= DFLG_NO_CABLE
;
1350 /* Mailbox cmd failed. Timeout on min_wait. */
1351 if (time_after_eq(jiffies
, mtime
))
1355 if (time_after_eq(jiffies
, wtime
))
1358 /* Delay for a while */
1361 DEBUG3(printk("scsi(%ld): fw_state=%x curr time=%lx.\n",
1362 ha
->host_no
, state
[0], jiffies
));
1365 DEBUG(printk("scsi(%ld): fw_state=%x curr time=%lx.\n",
1366 ha
->host_no
, state
[0], jiffies
));
1369 DEBUG2_3(printk("scsi(%ld): Firmware ready **** FAILED ****.\n",
1377 * qla2x00_configure_hba
1378 * Setup adapter context.
1381 * ha = adapter state pointer.
1390 qla2x00_configure_hba(scsi_qla_host_t
*ha
)
1399 char connect_type
[22];
1401 /* Get host addresses. */
1402 rval
= qla2x00_get_adapter_id(ha
,
1403 &loop_id
, &al_pa
, &area
, &domain
, &topo
, &sw_cap
);
1404 if (rval
!= QLA_SUCCESS
) {
1405 if (LOOP_TRANSITION(ha
) || atomic_read(&ha
->loop_down_timer
) ||
1406 (rval
== QLA_COMMAND_ERROR
&& loop_id
== 0x7)) {
1407 DEBUG2(printk("%s(%ld) Loop is in a transition state\n",
1408 __func__
, ha
->host_no
));
1410 qla_printk(KERN_WARNING
, ha
,
1411 "ERROR -- Unable to get host loop ID.\n");
1412 set_bit(ISP_ABORT_NEEDED
, &ha
->dpc_flags
);
1418 qla_printk(KERN_INFO
, ha
,
1419 "Cannot get topology - retrying.\n");
1420 return (QLA_FUNCTION_FAILED
);
1423 ha
->loop_id
= loop_id
;
1426 ha
->min_external_loopid
= SNS_FIRST_LOOP_ID
;
1427 ha
->operating_mode
= LOOP
;
1432 DEBUG3(printk("scsi(%ld): HBA in NL topology.\n",
1434 ha
->current_topology
= ISP_CFG_NL
;
1435 strcpy(connect_type
, "(Loop)");
1439 DEBUG3(printk("scsi(%ld): HBA in FL topology.\n",
1441 ha
->switch_cap
= sw_cap
;
1442 ha
->current_topology
= ISP_CFG_FL
;
1443 strcpy(connect_type
, "(FL_Port)");
1447 DEBUG3(printk("scsi(%ld): HBA in N P2P topology.\n",
1449 ha
->operating_mode
= P2P
;
1450 ha
->current_topology
= ISP_CFG_N
;
1451 strcpy(connect_type
, "(N_Port-to-N_Port)");
1455 DEBUG3(printk("scsi(%ld): HBA in F P2P topology.\n",
1457 ha
->switch_cap
= sw_cap
;
1458 ha
->operating_mode
= P2P
;
1459 ha
->current_topology
= ISP_CFG_F
;
1460 strcpy(connect_type
, "(F_Port)");
1464 DEBUG3(printk("scsi(%ld): HBA in unknown topology %x. "
1466 ha
->host_no
, topo
));
1467 ha
->current_topology
= ISP_CFG_NL
;
1468 strcpy(connect_type
, "(Loop)");
1472 /* Save Host port and loop ID. */
1473 /* byte order - Big Endian */
1474 ha
->d_id
.b
.domain
= domain
;
1475 ha
->d_id
.b
.area
= area
;
1476 ha
->d_id
.b
.al_pa
= al_pa
;
1478 if (!ha
->flags
.init_done
)
1479 qla_printk(KERN_INFO
, ha
,
1480 "Topology - %s, Host Loop address 0x%x\n",
1481 connect_type
, ha
->loop_id
);
1484 DEBUG2_3(printk("scsi(%ld): FAILED.\n", ha
->host_no
));
1486 DEBUG3(printk("scsi(%ld): exiting normally.\n", ha
->host_no
));
1493 qla2x00_set_model_info(scsi_qla_host_t
*ha
, uint8_t *model
, size_t len
, char *def
)
1498 if (memcmp(model
, BINZERO
, len
) != 0) {
1499 strncpy(ha
->model_number
, model
, len
);
1500 st
= en
= ha
->model_number
;
1503 if (*en
!= 0x20 && *en
!= 0x00)
1508 index
= (ha
->pdev
->subsystem_device
& 0xff);
1509 if (ha
->pdev
->subsystem_vendor
== PCI_VENDOR_ID_QLOGIC
&&
1510 index
< QLA_MODEL_NAMES
)
1511 strncpy(ha
->model_desc
,
1512 qla2x00_model_name
[index
* 2 + 1],
1513 sizeof(ha
->model_desc
) - 1);
1515 index
= (ha
->pdev
->subsystem_device
& 0xff);
1516 if (ha
->pdev
->subsystem_vendor
== PCI_VENDOR_ID_QLOGIC
&&
1517 index
< QLA_MODEL_NAMES
) {
1518 strcpy(ha
->model_number
,
1519 qla2x00_model_name
[index
* 2]);
1520 strncpy(ha
->model_desc
,
1521 qla2x00_model_name
[index
* 2 + 1],
1522 sizeof(ha
->model_desc
) - 1);
1524 strcpy(ha
->model_number
, def
);
1527 if (IS_FWI2_CAPABLE(ha
))
1528 qla2xxx_get_vpd_field(ha
, "\x82", ha
->model_desc
,
1529 sizeof(ha
->model_desc
));
1532 /* On sparc systems, obtain port and node WWN from firmware
1535 static void qla2xxx_nvram_wwn_from_ofw(scsi_qla_host_t
*ha
, nvram_t
*nv
)
1538 struct pci_dev
*pdev
= ha
->pdev
;
1539 struct device_node
*dp
= pci_device_to_OF_node(pdev
);
1543 val
= of_get_property(dp
, "port-wwn", &len
);
1544 if (val
&& len
>= WWN_SIZE
)
1545 memcpy(nv
->port_name
, val
, WWN_SIZE
);
1547 val
= of_get_property(dp
, "node-wwn", &len
);
1548 if (val
&& len
>= WWN_SIZE
)
1549 memcpy(nv
->node_name
, val
, WWN_SIZE
);
1554 * NVRAM configuration for ISP 2xxx
1557 * ha = adapter block pointer.
1560 * initialization control block in response_ring
1561 * host adapters parameters in host adapter block
1567 qla2x00_nvram_config(scsi_qla_host_t
*ha
)
1572 uint8_t *dptr1
, *dptr2
;
1573 init_cb_t
*icb
= ha
->init_cb
;
1574 nvram_t
*nv
= ha
->nvram
;
1575 uint8_t *ptr
= ha
->nvram
;
1576 struct device_reg_2xxx __iomem
*reg
= &ha
->iobase
->isp
;
1580 /* Determine NVRAM starting address. */
1581 ha
->nvram_size
= sizeof(nvram_t
);
1583 if (!IS_QLA2100(ha
) && !IS_QLA2200(ha
) && !IS_QLA2300(ha
))
1584 if ((RD_REG_WORD(®
->ctrl_status
) >> 14) == 1)
1585 ha
->nvram_base
= 0x80;
1587 /* Get NVRAM data and calculate checksum. */
1588 ha
->isp_ops
->read_nvram(ha
, ptr
, ha
->nvram_base
, ha
->nvram_size
);
1589 for (cnt
= 0, chksum
= 0; cnt
< ha
->nvram_size
; cnt
++)
1592 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", ha
->host_no
));
1593 DEBUG5(qla2x00_dump_buffer((uint8_t *)nv
, ha
->nvram_size
));
1595 /* Bad NVRAM data, set defaults parameters. */
1596 if (chksum
|| nv
->id
[0] != 'I' || nv
->id
[1] != 'S' ||
1597 nv
->id
[2] != 'P' || nv
->id
[3] != ' ' || nv
->nvram_version
< 1) {
1598 /* Reset NVRAM data. */
1599 qla_printk(KERN_WARNING
, ha
, "Inconsistent NVRAM detected: "
1600 "checksum=0x%x id=%c version=0x%x.\n", chksum
, nv
->id
[0],
1602 qla_printk(KERN_WARNING
, ha
, "Falling back to functioning (yet "
1603 "invalid -- WWPN) defaults.\n");
1606 qla2xxx_hw_event_log(ha
, HW_EVENT_NVRAM_CHKSUM_ERR
, 0,
1607 MSW(chksum
), LSW(chksum
));
1610 * Set default initialization control block.
1612 memset(nv
, 0, ha
->nvram_size
);
1613 nv
->parameter_block_version
= ICB_VERSION
;
1615 if (IS_QLA23XX(ha
)) {
1616 nv
->firmware_options
[0] = BIT_2
| BIT_1
;
1617 nv
->firmware_options
[1] = BIT_7
| BIT_5
;
1618 nv
->add_firmware_options
[0] = BIT_5
;
1619 nv
->add_firmware_options
[1] = BIT_5
| BIT_4
;
1620 nv
->frame_payload_size
= __constant_cpu_to_le16(2048);
1621 nv
->special_options
[1] = BIT_7
;
1622 } else if (IS_QLA2200(ha
)) {
1623 nv
->firmware_options
[0] = BIT_2
| BIT_1
;
1624 nv
->firmware_options
[1] = BIT_7
| BIT_5
;
1625 nv
->add_firmware_options
[0] = BIT_5
;
1626 nv
->add_firmware_options
[1] = BIT_5
| BIT_4
;
1627 nv
->frame_payload_size
= __constant_cpu_to_le16(1024);
1628 } else if (IS_QLA2100(ha
)) {
1629 nv
->firmware_options
[0] = BIT_3
| BIT_1
;
1630 nv
->firmware_options
[1] = BIT_5
;
1631 nv
->frame_payload_size
= __constant_cpu_to_le16(1024);
1634 nv
->max_iocb_allocation
= __constant_cpu_to_le16(256);
1635 nv
->execution_throttle
= __constant_cpu_to_le16(16);
1636 nv
->retry_count
= 8;
1637 nv
->retry_delay
= 1;
1639 nv
->port_name
[0] = 33;
1640 nv
->port_name
[3] = 224;
1641 nv
->port_name
[4] = 139;
1643 qla2xxx_nvram_wwn_from_ofw(ha
, nv
);
1645 nv
->login_timeout
= 4;
1648 * Set default host adapter parameters
1650 nv
->host_p
[1] = BIT_2
;
1651 nv
->reset_delay
= 5;
1652 nv
->port_down_retry_count
= 8;
1653 nv
->max_luns_per_target
= __constant_cpu_to_le16(8);
1654 nv
->link_down_timeout
= 60;
1659 #if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
1661 * The SN2 does not provide BIOS emulation which means you can't change
1662 * potentially bogus BIOS settings. Force the use of default settings
1663 * for link rate and frame size. Hope that the rest of the settings
1666 if (ia64_platform_is("sn2")) {
1667 nv
->frame_payload_size
= __constant_cpu_to_le16(2048);
1669 nv
->special_options
[1] = BIT_7
;
1673 /* Reset Initialization control block */
1674 memset(icb
, 0, ha
->init_cb_size
);
1677 * Setup driver NVRAM options.
1679 nv
->firmware_options
[0] |= (BIT_6
| BIT_1
);
1680 nv
->firmware_options
[0] &= ~(BIT_5
| BIT_4
);
1681 nv
->firmware_options
[1] |= (BIT_5
| BIT_0
);
1682 nv
->firmware_options
[1] &= ~BIT_4
;
1684 if (IS_QLA23XX(ha
)) {
1685 nv
->firmware_options
[0] |= BIT_2
;
1686 nv
->firmware_options
[0] &= ~BIT_3
;
1687 nv
->add_firmware_options
[1] |= BIT_5
| BIT_4
;
1689 if (IS_QLA2300(ha
)) {
1690 if (ha
->fb_rev
== FPM_2310
) {
1691 strcpy(ha
->model_number
, "QLA2310");
1693 strcpy(ha
->model_number
, "QLA2300");
1696 qla2x00_set_model_info(ha
, nv
->model_number
,
1697 sizeof(nv
->model_number
), "QLA23xx");
1699 } else if (IS_QLA2200(ha
)) {
1700 nv
->firmware_options
[0] |= BIT_2
;
1702 * 'Point-to-point preferred, else loop' is not a safe
1703 * connection mode setting.
1705 if ((nv
->add_firmware_options
[0] & (BIT_6
| BIT_5
| BIT_4
)) ==
1707 /* Force 'loop preferred, else point-to-point'. */
1708 nv
->add_firmware_options
[0] &= ~(BIT_6
| BIT_5
| BIT_4
);
1709 nv
->add_firmware_options
[0] |= BIT_5
;
1711 strcpy(ha
->model_number
, "QLA22xx");
1712 } else /*if (IS_QLA2100(ha))*/ {
1713 strcpy(ha
->model_number
, "QLA2100");
1717 * Copy over NVRAM RISC parameter block to initialization control block.
1719 dptr1
= (uint8_t *)icb
;
1720 dptr2
= (uint8_t *)&nv
->parameter_block_version
;
1721 cnt
= (uint8_t *)&icb
->request_q_outpointer
- (uint8_t *)&icb
->version
;
1723 *dptr1
++ = *dptr2
++;
1725 /* Copy 2nd half. */
1726 dptr1
= (uint8_t *)icb
->add_firmware_options
;
1727 cnt
= (uint8_t *)icb
->reserved_3
- (uint8_t *)icb
->add_firmware_options
;
1729 *dptr1
++ = *dptr2
++;
1731 /* Use alternate WWN? */
1732 if (nv
->host_p
[1] & BIT_7
) {
1733 memcpy(icb
->node_name
, nv
->alternate_node_name
, WWN_SIZE
);
1734 memcpy(icb
->port_name
, nv
->alternate_port_name
, WWN_SIZE
);
1737 /* Prepare nodename */
1738 if ((icb
->firmware_options
[1] & BIT_6
) == 0) {
1740 * Firmware will apply the following mask if the nodename was
1743 memcpy(icb
->node_name
, icb
->port_name
, WWN_SIZE
);
1744 icb
->node_name
[0] &= 0xF0;
1748 * Set host adapter parameters.
1750 if (nv
->host_p
[0] & BIT_7
)
1751 ql2xextended_error_logging
= 1;
1752 ha
->flags
.disable_risc_code_load
= ((nv
->host_p
[0] & BIT_4
) ? 1 : 0);
1753 /* Always load RISC code on non ISP2[12]00 chips. */
1754 if (!IS_QLA2100(ha
) && !IS_QLA2200(ha
))
1755 ha
->flags
.disable_risc_code_load
= 0;
1756 ha
->flags
.enable_lip_reset
= ((nv
->host_p
[1] & BIT_1
) ? 1 : 0);
1757 ha
->flags
.enable_lip_full_login
= ((nv
->host_p
[1] & BIT_2
) ? 1 : 0);
1758 ha
->flags
.enable_target_reset
= ((nv
->host_p
[1] & BIT_3
) ? 1 : 0);
1759 ha
->flags
.enable_led_scheme
= (nv
->special_options
[1] & BIT_4
) ? 1 : 0;
1760 ha
->flags
.disable_serdes
= 0;
1762 ha
->operating_mode
=
1763 (icb
->add_firmware_options
[0] & (BIT_6
| BIT_5
| BIT_4
)) >> 4;
1765 memcpy(ha
->fw_seriallink_options
, nv
->seriallink_options
,
1766 sizeof(ha
->fw_seriallink_options
));
1768 /* save HBA serial number */
1769 ha
->serial0
= icb
->port_name
[5];
1770 ha
->serial1
= icb
->port_name
[6];
1771 ha
->serial2
= icb
->port_name
[7];
1772 ha
->node_name
= icb
->node_name
;
1773 ha
->port_name
= icb
->port_name
;
1775 icb
->execution_throttle
= __constant_cpu_to_le16(0xFFFF);
1777 ha
->retry_count
= nv
->retry_count
;
1779 /* Set minimum login_timeout to 4 seconds. */
1780 if (nv
->login_timeout
< ql2xlogintimeout
)
1781 nv
->login_timeout
= ql2xlogintimeout
;
1782 if (nv
->login_timeout
< 4)
1783 nv
->login_timeout
= 4;
1784 ha
->login_timeout
= nv
->login_timeout
;
1785 icb
->login_timeout
= nv
->login_timeout
;
1787 /* Set minimum RATOV to 100 tenths of a second. */
1790 ha
->loop_reset_delay
= nv
->reset_delay
;
1792 /* Link Down Timeout = 0:
1794 * When Port Down timer expires we will start returning
1795 * I/O's to OS with "DID_NO_CONNECT".
1797 * Link Down Timeout != 0:
1799 * The driver waits for the link to come up after link down
1800 * before returning I/Os to OS with "DID_NO_CONNECT".
1802 if (nv
->link_down_timeout
== 0) {
1803 ha
->loop_down_abort_time
=
1804 (LOOP_DOWN_TIME
- LOOP_DOWN_TIMEOUT
);
1806 ha
->link_down_timeout
= nv
->link_down_timeout
;
1807 ha
->loop_down_abort_time
=
1808 (LOOP_DOWN_TIME
- ha
->link_down_timeout
);
1812 * Need enough time to try and get the port back.
1814 ha
->port_down_retry_count
= nv
->port_down_retry_count
;
1815 if (qlport_down_retry
)
1816 ha
->port_down_retry_count
= qlport_down_retry
;
1817 /* Set login_retry_count */
1818 ha
->login_retry_count
= nv
->retry_count
;
1819 if (ha
->port_down_retry_count
== nv
->port_down_retry_count
&&
1820 ha
->port_down_retry_count
> 3)
1821 ha
->login_retry_count
= ha
->port_down_retry_count
;
1822 else if (ha
->port_down_retry_count
> (int)ha
->login_retry_count
)
1823 ha
->login_retry_count
= ha
->port_down_retry_count
;
1824 if (ql2xloginretrycount
)
1825 ha
->login_retry_count
= ql2xloginretrycount
;
1827 icb
->lun_enables
= __constant_cpu_to_le16(0);
1828 icb
->command_resource_count
= 0;
1829 icb
->immediate_notify_resource_count
= 0;
1830 icb
->timeout
= __constant_cpu_to_le16(0);
1832 if (IS_QLA2100(ha
) || IS_QLA2200(ha
)) {
1834 icb
->firmware_options
[0] &= ~BIT_3
;
1835 icb
->add_firmware_options
[0] &=
1836 ~(BIT_3
| BIT_2
| BIT_1
| BIT_0
);
1837 icb
->add_firmware_options
[0] |= BIT_2
;
1838 icb
->response_accumulation_timer
= 3;
1839 icb
->interrupt_delay_timer
= 5;
1841 ha
->flags
.process_response_queue
= 1;
1844 if (!ha
->flags
.init_done
) {
1845 ha
->zio_mode
= icb
->add_firmware_options
[0] &
1846 (BIT_3
| BIT_2
| BIT_1
| BIT_0
);
1847 ha
->zio_timer
= icb
->interrupt_delay_timer
?
1848 icb
->interrupt_delay_timer
: 2;
1850 icb
->add_firmware_options
[0] &=
1851 ~(BIT_3
| BIT_2
| BIT_1
| BIT_0
);
1852 ha
->flags
.process_response_queue
= 0;
1853 if (ha
->zio_mode
!= QLA_ZIO_DISABLED
) {
1854 ha
->zio_mode
= QLA_ZIO_MODE_6
;
1856 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer "
1857 "delay (%d us).\n", ha
->host_no
, ha
->zio_mode
,
1858 ha
->zio_timer
* 100));
1859 qla_printk(KERN_INFO
, ha
,
1860 "ZIO mode %d enabled; timer delay (%d us).\n",
1861 ha
->zio_mode
, ha
->zio_timer
* 100);
1863 icb
->add_firmware_options
[0] |= (uint8_t)ha
->zio_mode
;
1864 icb
->interrupt_delay_timer
= (uint8_t)ha
->zio_timer
;
1865 ha
->flags
.process_response_queue
= 1;
1870 DEBUG2_3(printk(KERN_WARNING
1871 "scsi(%ld): NVRAM configuration failed!\n", ha
->host_no
));
1877 qla2x00_rport_del(void *data
)
1879 fc_port_t
*fcport
= data
;
1880 struct fc_rport
*rport
;
1882 spin_lock_irq(fcport
->ha
->host
->host_lock
);
1883 rport
= fcport
->drport
;
1884 fcport
->drport
= NULL
;
1885 spin_unlock_irq(fcport
->ha
->host
->host_lock
);
1887 fc_remote_port_delete(rport
);
1891 * qla2x00_alloc_fcport() - Allocate a generic fcport.
1893 * @flags: allocation flags
1895 * Returns a pointer to the allocated fcport, or NULL, if none available.
1898 qla2x00_alloc_fcport(scsi_qla_host_t
*ha
, gfp_t flags
)
1902 fcport
= kzalloc(sizeof(fc_port_t
), flags
);
1906 /* Setup fcport template structure. */
1908 fcport
->vp_idx
= ha
->vp_idx
;
1909 fcport
->port_type
= FCT_UNKNOWN
;
1910 fcport
->loop_id
= FC_NO_LOOP_ID
;
1911 atomic_set(&fcport
->state
, FCS_UNCONFIGURED
);
1912 fcport
->flags
= FCF_RLC_SUPPORT
;
1913 fcport
->supported_classes
= FC_COS_UNSPECIFIED
;
1919 * qla2x00_configure_loop
1920 * Updates Fibre Channel Device Database with what is actually on loop.
1923 * ha = adapter block pointer.
1928 * 2 = database was full and device was not configured.
1931 qla2x00_configure_loop(scsi_qla_host_t
*ha
)
1934 unsigned long flags
, save_flags
;
1938 /* Get Initiator ID */
1939 if (test_bit(LOCAL_LOOP_UPDATE
, &ha
->dpc_flags
)) {
1940 rval
= qla2x00_configure_hba(ha
);
1941 if (rval
!= QLA_SUCCESS
) {
1942 DEBUG(printk("scsi(%ld): Unable to configure HBA.\n",
1948 save_flags
= flags
= ha
->dpc_flags
;
1949 DEBUG(printk("scsi(%ld): Configure loop -- dpc flags =0x%lx\n",
1950 ha
->host_no
, flags
));
1953 * If we have both an RSCN and PORT UPDATE pending then handle them
1954 * both at the same time.
1956 clear_bit(LOCAL_LOOP_UPDATE
, &ha
->dpc_flags
);
1957 clear_bit(RSCN_UPDATE
, &ha
->dpc_flags
);
1959 /* Determine what we need to do */
1960 if (ha
->current_topology
== ISP_CFG_FL
&&
1961 (test_bit(LOCAL_LOOP_UPDATE
, &flags
))) {
1963 ha
->flags
.rscn_queue_overflow
= 1;
1964 set_bit(RSCN_UPDATE
, &flags
);
1966 } else if (ha
->current_topology
== ISP_CFG_F
&&
1967 (test_bit(LOCAL_LOOP_UPDATE
, &flags
))) {
1969 ha
->flags
.rscn_queue_overflow
= 1;
1970 set_bit(RSCN_UPDATE
, &flags
);
1971 clear_bit(LOCAL_LOOP_UPDATE
, &flags
);
1973 } else if (ha
->current_topology
== ISP_CFG_N
) {
1974 clear_bit(RSCN_UPDATE
, &flags
);
1976 } else if (!ha
->flags
.online
||
1977 (test_bit(ABORT_ISP_ACTIVE
, &flags
))) {
1979 ha
->flags
.rscn_queue_overflow
= 1;
1980 set_bit(RSCN_UPDATE
, &flags
);
1981 set_bit(LOCAL_LOOP_UPDATE
, &flags
);
1984 if (test_bit(LOCAL_LOOP_UPDATE
, &flags
)) {
1985 if (test_bit(LOOP_RESYNC_NEEDED
, &ha
->dpc_flags
)) {
1986 rval
= QLA_FUNCTION_FAILED
;
1988 rval
= qla2x00_configure_local_loop(ha
);
1992 if (rval
== QLA_SUCCESS
&& test_bit(RSCN_UPDATE
, &flags
)) {
1993 if (LOOP_TRANSITION(ha
)) {
1994 rval
= QLA_FUNCTION_FAILED
;
1996 rval
= qla2x00_configure_fabric(ha
);
2000 if (rval
== QLA_SUCCESS
) {
2001 if (atomic_read(&ha
->loop_down_timer
) ||
2002 test_bit(LOOP_RESYNC_NEEDED
, &ha
->dpc_flags
)) {
2003 rval
= QLA_FUNCTION_FAILED
;
2005 atomic_set(&ha
->loop_state
, LOOP_READY
);
2007 DEBUG(printk("scsi(%ld): LOOP READY\n", ha
->host_no
));
2012 DEBUG2_3(printk("%s(%ld): *** FAILED ***\n",
2013 __func__
, ha
->host_no
));
2015 DEBUG3(printk("%s: exiting normally\n", __func__
));
2018 /* Restore state if a resync event occured during processing */
2019 if (test_bit(LOOP_RESYNC_NEEDED
, &ha
->dpc_flags
)) {
2020 if (test_bit(LOCAL_LOOP_UPDATE
, &save_flags
))
2021 set_bit(LOCAL_LOOP_UPDATE
, &ha
->dpc_flags
);
2022 if (test_bit(RSCN_UPDATE
, &save_flags
)) {
2023 ha
->flags
.rscn_queue_overflow
= 1;
2024 set_bit(RSCN_UPDATE
, &ha
->dpc_flags
);
2034 * qla2x00_configure_local_loop
2035 * Updates Fibre Channel Device Database with local loop devices.
2038 * ha = adapter block pointer.
2044 qla2x00_configure_local_loop(scsi_qla_host_t
*ha
)
2049 fc_port_t
*fcport
, *new_fcport
;
2055 uint8_t domain
, area
, al_pa
;
2056 scsi_qla_host_t
*pha
= to_qla_parent(ha
);
2060 entries
= MAX_FIBRE_DEVICES
;
2062 DEBUG3(printk("scsi(%ld): Getting FCAL position map\n", ha
->host_no
));
2063 DEBUG3(qla2x00_get_fcal_position_map(ha
, NULL
));
2065 /* Get list of logged in devices. */
2066 memset(ha
->gid_list
, 0, GID_LIST_SIZE
);
2067 rval
= qla2x00_get_id_list(ha
, ha
->gid_list
, ha
->gid_list_dma
,
2069 if (rval
!= QLA_SUCCESS
)
2070 goto cleanup_allocation
;
2072 DEBUG3(printk("scsi(%ld): Entries in ID list (%d)\n",
2073 ha
->host_no
, entries
));
2074 DEBUG3(qla2x00_dump_buffer((uint8_t *)ha
->gid_list
,
2075 entries
* sizeof(struct gid_list_info
)));
2077 /* Allocate temporary fcport for any new fcports discovered. */
2078 new_fcport
= qla2x00_alloc_fcport(ha
, GFP_KERNEL
);
2079 if (new_fcport
== NULL
) {
2080 rval
= QLA_MEMORY_ALLOC_FAILED
;
2081 goto cleanup_allocation
;
2083 new_fcport
->flags
&= ~FCF_FABRIC_DEVICE
;
2086 * Mark local devices that were present with FCF_DEVICE_LOST for now.
2088 list_for_each_entry(fcport
, &pha
->fcports
, list
) {
2089 if (fcport
->vp_idx
!= ha
->vp_idx
)
2092 if (atomic_read(&fcport
->state
) == FCS_ONLINE
&&
2093 fcport
->port_type
!= FCT_BROADCAST
&&
2094 (fcport
->flags
& FCF_FABRIC_DEVICE
) == 0) {
2096 DEBUG(printk("scsi(%ld): Marking port lost, "
2098 ha
->host_no
, fcport
->loop_id
));
2100 atomic_set(&fcport
->state
, FCS_DEVICE_LOST
);
2101 fcport
->flags
&= ~FCF_FARP_DONE
;
2105 /* Add devices to port list. */
2106 id_iter
= (char *)ha
->gid_list
;
2107 for (index
= 0; index
< entries
; index
++) {
2108 domain
= ((struct gid_list_info
*)id_iter
)->domain
;
2109 area
= ((struct gid_list_info
*)id_iter
)->area
;
2110 al_pa
= ((struct gid_list_info
*)id_iter
)->al_pa
;
2111 if (IS_QLA2100(ha
) || IS_QLA2200(ha
))
2112 loop_id
= (uint16_t)
2113 ((struct gid_list_info
*)id_iter
)->loop_id_2100
;
2115 loop_id
= le16_to_cpu(
2116 ((struct gid_list_info
*)id_iter
)->loop_id
);
2117 id_iter
+= ha
->gid_list_info_size
;
2119 /* Bypass reserved domain fields. */
2120 if ((domain
& 0xf0) == 0xf0)
2123 /* Bypass if not same domain and area of adapter. */
2124 if (area
&& domain
&&
2125 (area
!= ha
->d_id
.b
.area
|| domain
!= ha
->d_id
.b
.domain
))
2128 /* Bypass invalid local loop ID. */
2129 if (loop_id
> LAST_LOCAL_LOOP_ID
)
2132 /* Fill in member data. */
2133 new_fcport
->d_id
.b
.domain
= domain
;
2134 new_fcport
->d_id
.b
.area
= area
;
2135 new_fcport
->d_id
.b
.al_pa
= al_pa
;
2136 new_fcport
->loop_id
= loop_id
;
2137 new_fcport
->vp_idx
= ha
->vp_idx
;
2138 rval2
= qla2x00_get_port_database(ha
, new_fcport
, 0);
2139 if (rval2
!= QLA_SUCCESS
) {
2140 DEBUG2(printk("scsi(%ld): Failed to retrieve fcport "
2141 "information -- get_port_database=%x, "
2143 ha
->host_no
, rval2
, new_fcport
->loop_id
));
2144 DEBUG2(printk("scsi(%ld): Scheduling resync...\n",
2146 set_bit(LOOP_RESYNC_NEEDED
, &ha
->dpc_flags
);
2150 /* Check for matching device in port list. */
2153 list_for_each_entry(fcport
, &pha
->fcports
, list
) {
2154 if (fcport
->vp_idx
!= ha
->vp_idx
)
2157 if (memcmp(new_fcport
->port_name
, fcport
->port_name
,
2161 fcport
->flags
&= ~(FCF_FABRIC_DEVICE
|
2162 FCF_PERSISTENT_BOUND
);
2163 fcport
->loop_id
= new_fcport
->loop_id
;
2164 fcport
->port_type
= new_fcport
->port_type
;
2165 fcport
->d_id
.b24
= new_fcport
->d_id
.b24
;
2166 memcpy(fcport
->node_name
, new_fcport
->node_name
,
2174 /* New device, add to fcports list. */
2175 new_fcport
->flags
&= ~FCF_PERSISTENT_BOUND
;
2177 new_fcport
->ha
= ha
;
2178 new_fcport
->vp_idx
= ha
->vp_idx
;
2179 list_add_tail(&new_fcport
->vp_fcport
,
2182 list_add_tail(&new_fcport
->list
, &pha
->fcports
);
2184 /* Allocate a new replacement fcport. */
2185 fcport
= new_fcport
;
2186 new_fcport
= qla2x00_alloc_fcport(ha
, GFP_KERNEL
);
2187 if (new_fcport
== NULL
) {
2188 rval
= QLA_MEMORY_ALLOC_FAILED
;
2189 goto cleanup_allocation
;
2191 new_fcport
->flags
&= ~FCF_FABRIC_DEVICE
;
2194 /* Base iIDMA settings on HBA port speed. */
2195 fcport
->fp_speed
= ha
->link_data_rate
;
2197 qla2x00_update_fcport(ha
, fcport
);
2205 if (rval
!= QLA_SUCCESS
) {
2206 DEBUG2(printk("scsi(%ld): Configure local loop error exit: "
2207 "rval=%x\n", ha
->host_no
, rval
));
2211 ha
->device_flags
|= DFLG_LOCAL_DEVICES
;
2212 ha
->device_flags
&= ~DFLG_RETRY_LOCAL_DEVICES
;
2219 qla2x00_iidma_fcport(scsi_qla_host_t
*ha
, fc_port_t
*fcport
)
2221 #define LS_UNKNOWN 2
2222 static char *link_speeds
[5] = { "1", "2", "?", "4", "8" };
2226 if (!IS_IIDMA_CAPABLE(ha
))
2229 if (fcport
->fp_speed
== PORT_SPEED_UNKNOWN
||
2230 fcport
->fp_speed
> ha
->link_data_rate
)
2233 rval
= qla2x00_set_idma_speed(ha
, fcport
->loop_id
, fcport
->fp_speed
,
2235 if (rval
!= QLA_SUCCESS
) {
2236 DEBUG2(printk("scsi(%ld): Unable to adjust iIDMA "
2237 "%02x%02x%02x%02x%02x%02x%02x%02x -- %04x %x %04x %04x.\n",
2238 ha
->host_no
, fcport
->port_name
[0], fcport
->port_name
[1],
2239 fcport
->port_name
[2], fcport
->port_name
[3],
2240 fcport
->port_name
[4], fcport
->port_name
[5],
2241 fcport
->port_name
[6], fcport
->port_name
[7], rval
,
2242 fcport
->fp_speed
, mb
[0], mb
[1]));
2244 DEBUG2(qla_printk(KERN_INFO
, ha
,
2245 "iIDMA adjusted to %s GB/s on "
2246 "%02x%02x%02x%02x%02x%02x%02x%02x.\n",
2247 link_speeds
[fcport
->fp_speed
], fcport
->port_name
[0],
2248 fcport
->port_name
[1], fcport
->port_name
[2],
2249 fcport
->port_name
[3], fcport
->port_name
[4],
2250 fcport
->port_name
[5], fcport
->port_name
[6],
2251 fcport
->port_name
[7]));
2256 qla2x00_reg_remote_port(scsi_qla_host_t
*ha
, fc_port_t
*fcport
)
2258 struct fc_rport_identifiers rport_ids
;
2259 struct fc_rport
*rport
;
2262 qla2x00_rport_del(fcport
);
2264 rport_ids
.node_name
= wwn_to_u64(fcport
->node_name
);
2265 rport_ids
.port_name
= wwn_to_u64(fcport
->port_name
);
2266 rport_ids
.port_id
= fcport
->d_id
.b
.domain
<< 16 |
2267 fcport
->d_id
.b
.area
<< 8 | fcport
->d_id
.b
.al_pa
;
2268 rport_ids
.roles
= FC_RPORT_ROLE_UNKNOWN
;
2269 fcport
->rport
= rport
= fc_remote_port_add(ha
->host
, 0, &rport_ids
);
2271 qla_printk(KERN_WARNING
, ha
,
2272 "Unable to allocate fc remote port!\n");
2275 spin_lock_irq(fcport
->ha
->host
->host_lock
);
2276 *((fc_port_t
**)rport
->dd_data
) = fcport
;
2277 spin_unlock_irq(fcport
->ha
->host
->host_lock
);
2279 rport
->supported_classes
= fcport
->supported_classes
;
2281 rport_ids
.roles
= FC_RPORT_ROLE_UNKNOWN
;
2282 if (fcport
->port_type
== FCT_INITIATOR
)
2283 rport_ids
.roles
|= FC_RPORT_ROLE_FCP_INITIATOR
;
2284 if (fcport
->port_type
== FCT_TARGET
)
2285 rport_ids
.roles
|= FC_RPORT_ROLE_FCP_TARGET
;
2286 fc_remote_port_rolechg(rport
, rport_ids
.roles
);
2290 * qla2x00_update_fcport
2291 * Updates device on list.
2294 * ha = adapter block pointer.
2295 * fcport = port structure pointer.
2305 qla2x00_update_fcport(scsi_qla_host_t
*ha
, fc_port_t
*fcport
)
2307 scsi_qla_host_t
*pha
= to_qla_parent(ha
);
2310 fcport
->login_retry
= 0;
2311 fcport
->port_login_retry_count
= pha
->port_down_retry_count
*
2313 atomic_set(&fcport
->port_down_timer
, pha
->port_down_retry_count
*
2315 fcport
->flags
&= ~FCF_LOGIN_NEEDED
;
2317 qla2x00_iidma_fcport(ha
, fcport
);
2319 atomic_set(&fcport
->state
, FCS_ONLINE
);
2321 qla2x00_reg_remote_port(ha
, fcport
);
2325 * qla2x00_configure_fabric
2326 * Setup SNS devices with loop ID's.
2329 * ha = adapter block pointer.
2336 qla2x00_configure_fabric(scsi_qla_host_t
*ha
)
2339 fc_port_t
*fcport
, *fcptemp
;
2340 uint16_t next_loopid
;
2341 uint16_t mb
[MAILBOX_REGISTER_COUNT
];
2343 LIST_HEAD(new_fcports
);
2344 scsi_qla_host_t
*pha
= to_qla_parent(ha
);
2346 /* If FL port exists, then SNS is present */
2347 if (IS_FWI2_CAPABLE(ha
))
2348 loop_id
= NPH_F_PORT
;
2350 loop_id
= SNS_FL_PORT
;
2351 rval
= qla2x00_get_port_name(ha
, loop_id
, ha
->fabric_node_name
, 1);
2352 if (rval
!= QLA_SUCCESS
) {
2353 DEBUG2(printk("scsi(%ld): MBC_GET_PORT_NAME Failed, No FL "
2354 "Port\n", ha
->host_no
));
2356 ha
->device_flags
&= ~SWITCH_FOUND
;
2357 return (QLA_SUCCESS
);
2359 ha
->device_flags
|= SWITCH_FOUND
;
2361 /* Mark devices that need re-synchronization. */
2362 rval2
= qla2x00_device_resync(ha
);
2363 if (rval2
== QLA_RSCNS_HANDLED
) {
2364 /* No point doing the scan, just continue. */
2365 return (QLA_SUCCESS
);
2369 if (ql2xfdmienable
&&
2370 test_and_clear_bit(REGISTER_FDMI_NEEDED
, &ha
->dpc_flags
))
2371 qla2x00_fdmi_register(ha
);
2373 /* Ensure we are logged into the SNS. */
2374 if (IS_FWI2_CAPABLE(ha
))
2377 loop_id
= SIMPLE_NAME_SERVER
;
2378 ha
->isp_ops
->fabric_login(ha
, loop_id
, 0xff, 0xff,
2379 0xfc, mb
, BIT_1
| BIT_0
);
2380 if (mb
[0] != MBS_COMMAND_COMPLETE
) {
2381 DEBUG2(qla_printk(KERN_INFO
, ha
,
2382 "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
2383 "mb[2]=%x mb[6]=%x mb[7]=%x\n", loop_id
,
2384 mb
[0], mb
[1], mb
[2], mb
[6], mb
[7]));
2385 return (QLA_SUCCESS
);
2388 if (test_and_clear_bit(REGISTER_FC4_NEEDED
, &ha
->dpc_flags
)) {
2389 if (qla2x00_rft_id(ha
)) {
2391 DEBUG2(printk("scsi(%ld): Register FC-4 "
2392 "TYPE failed.\n", ha
->host_no
));
2394 if (qla2x00_rff_id(ha
)) {
2396 DEBUG2(printk("scsi(%ld): Register FC-4 "
2397 "Features failed.\n", ha
->host_no
));
2399 if (qla2x00_rnn_id(ha
)) {
2401 DEBUG2(printk("scsi(%ld): Register Node Name "
2402 "failed.\n", ha
->host_no
));
2403 } else if (qla2x00_rsnn_nn(ha
)) {
2405 DEBUG2(printk("scsi(%ld): Register Symbolic "
2406 "Node Name failed.\n", ha
->host_no
));
2410 rval
= qla2x00_find_all_fabric_devs(ha
, &new_fcports
);
2411 if (rval
!= QLA_SUCCESS
)
2415 * Logout all previous fabric devices marked lost, except
2418 list_for_each_entry(fcport
, &pha
->fcports
, list
) {
2419 if (fcport
->vp_idx
!=ha
->vp_idx
)
2422 if (test_bit(LOOP_RESYNC_NEEDED
, &ha
->dpc_flags
))
2425 if ((fcport
->flags
& FCF_FABRIC_DEVICE
) == 0)
2428 if (atomic_read(&fcport
->state
) == FCS_DEVICE_LOST
) {
2429 qla2x00_mark_device_lost(ha
, fcport
,
2430 ql2xplogiabsentdevice
, 0);
2431 if (fcport
->loop_id
!= FC_NO_LOOP_ID
&&
2432 (fcport
->flags
& FCF_TAPE_PRESENT
) == 0 &&
2433 fcport
->port_type
!= FCT_INITIATOR
&&
2434 fcport
->port_type
!= FCT_BROADCAST
) {
2435 ha
->isp_ops
->fabric_logout(ha
,
2437 fcport
->d_id
.b
.domain
,
2438 fcport
->d_id
.b
.area
,
2439 fcport
->d_id
.b
.al_pa
);
2440 fcport
->loop_id
= FC_NO_LOOP_ID
;
2445 /* Starting free loop ID. */
2446 next_loopid
= pha
->min_external_loopid
;
2449 * Scan through our port list and login entries that need to be
2452 list_for_each_entry(fcport
, &pha
->fcports
, list
) {
2453 if (fcport
->vp_idx
!= ha
->vp_idx
)
2456 if (atomic_read(&ha
->loop_down_timer
) ||
2457 test_bit(LOOP_RESYNC_NEEDED
, &ha
->dpc_flags
))
2460 if ((fcport
->flags
& FCF_FABRIC_DEVICE
) == 0 ||
2461 (fcport
->flags
& FCF_LOGIN_NEEDED
) == 0)
2464 if (fcport
->loop_id
== FC_NO_LOOP_ID
) {
2465 fcport
->loop_id
= next_loopid
;
2466 rval
= qla2x00_find_new_loop_id(
2467 to_qla_parent(ha
), fcport
);
2468 if (rval
!= QLA_SUCCESS
) {
2469 /* Ran out of IDs to use */
2473 /* Login and update database */
2474 qla2x00_fabric_dev_login(ha
, fcport
, &next_loopid
);
2477 /* Exit if out of loop IDs. */
2478 if (rval
!= QLA_SUCCESS
) {
2483 * Login and add the new devices to our port list.
2485 list_for_each_entry_safe(fcport
, fcptemp
, &new_fcports
, list
) {
2486 if (atomic_read(&ha
->loop_down_timer
) ||
2487 test_bit(LOOP_RESYNC_NEEDED
, &ha
->dpc_flags
))
2490 /* Find a new loop ID to use. */
2491 fcport
->loop_id
= next_loopid
;
2492 rval
= qla2x00_find_new_loop_id(to_qla_parent(ha
),
2494 if (rval
!= QLA_SUCCESS
) {
2495 /* Ran out of IDs to use */
2499 /* Login and update database */
2500 qla2x00_fabric_dev_login(ha
, fcport
, &next_loopid
);
2504 fcport
->vp_idx
= ha
->vp_idx
;
2505 list_add_tail(&fcport
->vp_fcport
,
2507 list_move_tail(&fcport
->list
,
2508 &ha
->parent
->fcports
);
2510 list_move_tail(&fcport
->list
, &ha
->fcports
);
2514 /* Free all new device structures not processed. */
2515 list_for_each_entry_safe(fcport
, fcptemp
, &new_fcports
, list
) {
2516 list_del(&fcport
->list
);
2521 DEBUG2(printk("scsi(%ld): Configure fabric error exit: "
2522 "rval=%d\n", ha
->host_no
, rval
));
2530 * qla2x00_find_all_fabric_devs
2533 * ha = adapter block pointer.
2534 * dev = database device entry pointer.
2543 qla2x00_find_all_fabric_devs(scsi_qla_host_t
*ha
, struct list_head
*new_fcports
)
2547 fc_port_t
*fcport
, *new_fcport
, *fcptemp
;
2552 int first_dev
, last_dev
;
2553 port_id_t wrap
, nxt_d_id
;
2557 scsi_qla_host_t
*vha
;
2558 scsi_qla_host_t
*pha
= to_qla_parent(ha
);
2562 /* Try GID_PT to get device list, else GAN. */
2563 swl
= kcalloc(MAX_FIBRE_DEVICES
, sizeof(sw_info_t
), GFP_ATOMIC
);
2566 DEBUG2(printk("scsi(%ld): GID_PT allocations failed, fallback "
2567 "on GA_NXT\n", ha
->host_no
));
2569 if (qla2x00_gid_pt(ha
, swl
) != QLA_SUCCESS
) {
2572 } else if (qla2x00_gpn_id(ha
, swl
) != QLA_SUCCESS
) {
2575 } else if (qla2x00_gnn_id(ha
, swl
) != QLA_SUCCESS
) {
2578 } else if (ql2xiidmaenable
&&
2579 qla2x00_gfpn_id(ha
, swl
) == QLA_SUCCESS
) {
2580 qla2x00_gpsc(ha
, swl
);
2585 /* Allocate temporary fcport for any new fcports discovered. */
2586 new_fcport
= qla2x00_alloc_fcport(ha
, GFP_KERNEL
);
2587 if (new_fcport
== NULL
) {
2589 return (QLA_MEMORY_ALLOC_FAILED
);
2591 new_fcport
->flags
|= (FCF_FABRIC_DEVICE
| FCF_LOGIN_NEEDED
);
2592 new_fcport
->vp_idx
= ha
->vp_idx
;
2593 /* Set start port ID scan at adapter ID. */
2597 /* Starting free loop ID. */
2598 loop_id
= pha
->min_external_loopid
;
2599 for (; loop_id
<= ha
->last_loop_id
; loop_id
++) {
2600 if (qla2x00_is_reserved_id(ha
, loop_id
))
2603 if (atomic_read(&ha
->loop_down_timer
) || LOOP_TRANSITION(ha
))
2608 wrap
.b24
= new_fcport
->d_id
.b24
;
2610 new_fcport
->d_id
.b24
= swl
[swl_idx
].d_id
.b24
;
2611 memcpy(new_fcport
->node_name
,
2612 swl
[swl_idx
].node_name
, WWN_SIZE
);
2613 memcpy(new_fcport
->port_name
,
2614 swl
[swl_idx
].port_name
, WWN_SIZE
);
2615 memcpy(new_fcport
->fabric_port_name
,
2616 swl
[swl_idx
].fabric_port_name
, WWN_SIZE
);
2617 new_fcport
->fp_speed
= swl
[swl_idx
].fp_speed
;
2619 if (swl
[swl_idx
].d_id
.b
.rsvd_1
!= 0) {
2625 /* Send GA_NXT to the switch */
2626 rval
= qla2x00_ga_nxt(ha
, new_fcport
);
2627 if (rval
!= QLA_SUCCESS
) {
2628 qla_printk(KERN_WARNING
, ha
,
2629 "SNS scan failed -- assuming zero-entry "
2631 list_for_each_entry_safe(fcport
, fcptemp
,
2632 new_fcports
, list
) {
2633 list_del(&fcport
->list
);
2641 /* If wrap on switch device list, exit. */
2643 wrap
.b24
= new_fcport
->d_id
.b24
;
2645 } else if (new_fcport
->d_id
.b24
== wrap
.b24
) {
2646 DEBUG2(printk("scsi(%ld): device wrap (%02x%02x%02x)\n",
2647 ha
->host_no
, new_fcport
->d_id
.b
.domain
,
2648 new_fcport
->d_id
.b
.area
, new_fcport
->d_id
.b
.al_pa
));
2652 /* Bypass if same physical adapter. */
2653 if (new_fcport
->d_id
.b24
== pha
->d_id
.b24
)
2656 /* Bypass virtual ports of the same host. */
2657 if (pha
->num_vhosts
) {
2658 for_each_mapped_vp_idx(pha
, vp_index
) {
2661 list_for_each_entry(vha
, &pha
->vp_list
,
2663 if (vp_index
== vha
->vp_idx
) {
2674 new_fcport
->d_id
.b24
== vha
->d_id
.b24
)
2678 if (vp_index
<= pha
->max_npiv_vports
)
2682 /* Bypass if same domain and area of adapter. */
2683 if (((new_fcport
->d_id
.b24
& 0xffff00) ==
2684 (ha
->d_id
.b24
& 0xffff00)) && ha
->current_topology
==
2688 /* Bypass reserved domain fields. */
2689 if ((new_fcport
->d_id
.b
.domain
& 0xf0) == 0xf0)
2692 /* Locate matching device in database. */
2694 list_for_each_entry(fcport
, &pha
->fcports
, list
) {
2695 if (new_fcport
->vp_idx
!= fcport
->vp_idx
)
2697 if (memcmp(new_fcport
->port_name
, fcport
->port_name
,
2703 /* Update port state. */
2704 memcpy(fcport
->fabric_port_name
,
2705 new_fcport
->fabric_port_name
, WWN_SIZE
);
2706 fcport
->fp_speed
= new_fcport
->fp_speed
;
2709 * If address the same and state FCS_ONLINE, nothing
2712 if (fcport
->d_id
.b24
== new_fcport
->d_id
.b24
&&
2713 atomic_read(&fcport
->state
) == FCS_ONLINE
) {
2718 * If device was not a fabric device before.
2720 if ((fcport
->flags
& FCF_FABRIC_DEVICE
) == 0) {
2721 fcport
->d_id
.b24
= new_fcport
->d_id
.b24
;
2722 fcport
->loop_id
= FC_NO_LOOP_ID
;
2723 fcport
->flags
|= (FCF_FABRIC_DEVICE
|
2725 fcport
->flags
&= ~FCF_PERSISTENT_BOUND
;
2730 * Port ID changed or device was marked to be updated;
2731 * Log it out if still logged in and mark it for
2734 fcport
->d_id
.b24
= new_fcport
->d_id
.b24
;
2735 fcport
->flags
|= FCF_LOGIN_NEEDED
;
2736 if (fcport
->loop_id
!= FC_NO_LOOP_ID
&&
2737 (fcport
->flags
& FCF_TAPE_PRESENT
) == 0 &&
2738 fcport
->port_type
!= FCT_INITIATOR
&&
2739 fcport
->port_type
!= FCT_BROADCAST
) {
2740 ha
->isp_ops
->fabric_logout(ha
, fcport
->loop_id
,
2741 fcport
->d_id
.b
.domain
, fcport
->d_id
.b
.area
,
2742 fcport
->d_id
.b
.al_pa
);
2743 fcport
->loop_id
= FC_NO_LOOP_ID
;
2752 /* If device was not in our fcports list, then add it. */
2753 list_add_tail(&new_fcport
->list
, new_fcports
);
2755 /* Allocate a new replacement fcport. */
2756 nxt_d_id
.b24
= new_fcport
->d_id
.b24
;
2757 new_fcport
= qla2x00_alloc_fcport(ha
, GFP_KERNEL
);
2758 if (new_fcport
== NULL
) {
2760 return (QLA_MEMORY_ALLOC_FAILED
);
2762 new_fcport
->flags
|= (FCF_FABRIC_DEVICE
| FCF_LOGIN_NEEDED
);
2763 new_fcport
->d_id
.b24
= nxt_d_id
.b24
;
2764 new_fcport
->vp_idx
= ha
->vp_idx
;
2770 if (!list_empty(new_fcports
))
2771 ha
->device_flags
|= DFLG_FABRIC_DEVICES
;
2777 * qla2x00_find_new_loop_id
2778 * Scan through our port list and find a new usable loop ID.
2781 * ha: adapter state pointer.
2782 * dev: port structure pointer.
2785 * qla2x00 local function return status code.
2791 qla2x00_find_new_loop_id(scsi_qla_host_t
*ha
, fc_port_t
*dev
)
2796 uint16_t first_loop_id
;
2797 scsi_qla_host_t
*pha
= to_qla_parent(ha
);
2801 /* Save starting loop ID. */
2802 first_loop_id
= dev
->loop_id
;
2805 /* Skip loop ID if already used by adapter. */
2806 if (dev
->loop_id
== ha
->loop_id
) {
2810 /* Skip reserved loop IDs. */
2811 while (qla2x00_is_reserved_id(ha
, dev
->loop_id
)) {
2815 /* Reset loop ID if passed the end. */
2816 if (dev
->loop_id
> ha
->last_loop_id
) {
2817 /* first loop ID. */
2818 dev
->loop_id
= ha
->min_external_loopid
;
2821 /* Check for loop ID being already in use. */
2824 list_for_each_entry(fcport
, &pha
->fcports
, list
) {
2825 if (fcport
->loop_id
== dev
->loop_id
&& fcport
!= dev
) {
2826 /* ID possibly in use */
2832 /* If not in use then it is free to use. */
2837 /* ID in use. Try next value. */
2840 /* If wrap around. No free ID to use. */
2841 if (dev
->loop_id
== first_loop_id
) {
2842 dev
->loop_id
= FC_NO_LOOP_ID
;
2843 rval
= QLA_FUNCTION_FAILED
;
2852 * qla2x00_device_resync
2853 * Marks devices in the database that needs resynchronization.
2856 * ha = adapter block pointer.
2862 qla2x00_device_resync(scsi_qla_host_t
*ha
)
2867 uint32_t rscn_entry
;
2868 uint8_t rscn_out_iter
;
2871 scsi_qla_host_t
*pha
= to_qla_parent(ha
);
2873 rval
= QLA_RSCNS_HANDLED
;
2875 while (ha
->rscn_out_ptr
!= ha
->rscn_in_ptr
||
2876 ha
->flags
.rscn_queue_overflow
) {
2878 rscn_entry
= ha
->rscn_queue
[ha
->rscn_out_ptr
];
2879 format
= MSB(MSW(rscn_entry
));
2880 d_id
.b
.domain
= LSB(MSW(rscn_entry
));
2881 d_id
.b
.area
= MSB(LSW(rscn_entry
));
2882 d_id
.b
.al_pa
= LSB(LSW(rscn_entry
));
2884 DEBUG(printk("scsi(%ld): RSCN queue entry[%d] = "
2885 "[%02x/%02x%02x%02x].\n",
2886 ha
->host_no
, ha
->rscn_out_ptr
, format
, d_id
.b
.domain
,
2887 d_id
.b
.area
, d_id
.b
.al_pa
));
2890 if (ha
->rscn_out_ptr
== MAX_RSCN_COUNT
)
2891 ha
->rscn_out_ptr
= 0;
2893 /* Skip duplicate entries. */
2894 for (rscn_out_iter
= ha
->rscn_out_ptr
;
2895 !ha
->flags
.rscn_queue_overflow
&&
2896 rscn_out_iter
!= ha
->rscn_in_ptr
;
2897 rscn_out_iter
= (rscn_out_iter
==
2898 (MAX_RSCN_COUNT
- 1)) ? 0: rscn_out_iter
+ 1) {
2900 if (rscn_entry
!= ha
->rscn_queue
[rscn_out_iter
])
2903 DEBUG(printk("scsi(%ld): Skipping duplicate RSCN queue "
2904 "entry found at [%d].\n", ha
->host_no
,
2907 ha
->rscn_out_ptr
= rscn_out_iter
;
2910 /* Queue overflow, set switch default case. */
2911 if (ha
->flags
.rscn_queue_overflow
) {
2912 DEBUG(printk("scsi(%ld): device_resync: rscn "
2913 "overflow.\n", ha
->host_no
));
2916 ha
->flags
.rscn_queue_overflow
= 0;
2932 ha
->rscn_out_ptr
= ha
->rscn_in_ptr
;
2938 list_for_each_entry(fcport
, &pha
->fcports
, list
) {
2939 if (fcport
->vp_idx
!= ha
->vp_idx
)
2942 if ((fcport
->flags
& FCF_FABRIC_DEVICE
) == 0 ||
2943 (fcport
->d_id
.b24
& mask
) != d_id
.b24
||
2944 fcport
->port_type
== FCT_BROADCAST
)
2947 if (atomic_read(&fcport
->state
) == FCS_ONLINE
) {
2949 fcport
->port_type
!= FCT_INITIATOR
) {
2950 qla2x00_mark_device_lost(ha
, fcport
,
2954 fcport
->flags
&= ~FCF_FARP_DONE
;
2961 * qla2x00_fabric_dev_login
2962 * Login fabric target device and update FC port database.
2965 * ha: adapter state pointer.
2966 * fcport: port structure list pointer.
2967 * next_loopid: contains value of a new loop ID that can be used
2968 * by the next login attempt.
2971 * qla2x00 local function return status code.
2977 qla2x00_fabric_dev_login(scsi_qla_host_t
*ha
, fc_port_t
*fcport
,
2978 uint16_t *next_loopid
)
2987 rval
= qla2x00_fabric_login(ha
, fcport
, next_loopid
);
2988 if (rval
== QLA_SUCCESS
) {
2989 /* Send an ADISC to tape devices.*/
2991 if (fcport
->flags
& FCF_TAPE_PRESENT
)
2993 rval
= qla2x00_get_port_database(ha
, fcport
, opts
);
2994 if (rval
!= QLA_SUCCESS
) {
2995 ha
->isp_ops
->fabric_logout(ha
, fcport
->loop_id
,
2996 fcport
->d_id
.b
.domain
, fcport
->d_id
.b
.area
,
2997 fcport
->d_id
.b
.al_pa
);
2998 qla2x00_mark_device_lost(ha
, fcport
, 1, 0);
3000 qla2x00_update_fcport(ha
, fcport
);
3008 * qla2x00_fabric_login
3009 * Issue fabric login command.
3012 * ha = adapter block pointer.
3013 * device = pointer to FC device type structure.
3016 * 0 - Login successfully
3018 * 2 - Initiator device
3022 qla2x00_fabric_login(scsi_qla_host_t
*ha
, fc_port_t
*fcport
,
3023 uint16_t *next_loopid
)
3027 uint16_t tmp_loopid
;
3028 uint16_t mb
[MAILBOX_REGISTER_COUNT
];
3034 DEBUG(printk("scsi(%ld): Trying Fabric Login w/loop id 0x%04x "
3035 "for port %02x%02x%02x.\n",
3036 ha
->host_no
, fcport
->loop_id
, fcport
->d_id
.b
.domain
,
3037 fcport
->d_id
.b
.area
, fcport
->d_id
.b
.al_pa
));
3039 /* Login fcport on switch. */
3040 ha
->isp_ops
->fabric_login(ha
, fcport
->loop_id
,
3041 fcport
->d_id
.b
.domain
, fcport
->d_id
.b
.area
,
3042 fcport
->d_id
.b
.al_pa
, mb
, BIT_0
);
3043 if (mb
[0] == MBS_PORT_ID_USED
) {
3045 * Device has another loop ID. The firmware team
3046 * recommends the driver perform an implicit login with
3047 * the specified ID again. The ID we just used is save
3048 * here so we return with an ID that can be tried by
3052 tmp_loopid
= fcport
->loop_id
;
3053 fcport
->loop_id
= mb
[1];
3055 DEBUG(printk("Fabric Login: port in use - next "
3056 "loop id=0x%04x, port Id=%02x%02x%02x.\n",
3057 fcport
->loop_id
, fcport
->d_id
.b
.domain
,
3058 fcport
->d_id
.b
.area
, fcport
->d_id
.b
.al_pa
));
3060 } else if (mb
[0] == MBS_COMMAND_COMPLETE
) {
3065 /* A retry occurred before. */
3066 *next_loopid
= tmp_loopid
;
3069 * No retry occurred before. Just increment the
3070 * ID value for next login.
3072 *next_loopid
= (fcport
->loop_id
+ 1);
3075 if (mb
[1] & BIT_0
) {
3076 fcport
->port_type
= FCT_INITIATOR
;
3078 fcport
->port_type
= FCT_TARGET
;
3079 if (mb
[1] & BIT_1
) {
3080 fcport
->flags
|= FCF_TAPE_PRESENT
;
3085 fcport
->supported_classes
|= FC_COS_CLASS2
;
3087 fcport
->supported_classes
|= FC_COS_CLASS3
;
3091 } else if (mb
[0] == MBS_LOOP_ID_USED
) {
3093 * Loop ID already used, try next loop ID.
3096 rval
= qla2x00_find_new_loop_id(ha
, fcport
);
3097 if (rval
!= QLA_SUCCESS
) {
3098 /* Ran out of loop IDs to use */
3101 } else if (mb
[0] == MBS_COMMAND_ERROR
) {
3103 * Firmware possibly timed out during login. If NO
3104 * retries are left to do then the device is declared
3107 *next_loopid
= fcport
->loop_id
;
3108 ha
->isp_ops
->fabric_logout(ha
, fcport
->loop_id
,
3109 fcport
->d_id
.b
.domain
, fcport
->d_id
.b
.area
,
3110 fcport
->d_id
.b
.al_pa
);
3111 qla2x00_mark_device_lost(ha
, fcport
, 1, 0);
3117 * unrecoverable / not handled error
3119 DEBUG2(printk("%s(%ld): failed=%x port_id=%02x%02x%02x "
3120 "loop_id=%x jiffies=%lx.\n",
3121 __func__
, ha
->host_no
, mb
[0],
3122 fcport
->d_id
.b
.domain
, fcport
->d_id
.b
.area
,
3123 fcport
->d_id
.b
.al_pa
, fcport
->loop_id
, jiffies
));
3125 *next_loopid
= fcport
->loop_id
;
3126 ha
->isp_ops
->fabric_logout(ha
, fcport
->loop_id
,
3127 fcport
->d_id
.b
.domain
, fcport
->d_id
.b
.area
,
3128 fcport
->d_id
.b
.al_pa
);
3129 fcport
->loop_id
= FC_NO_LOOP_ID
;
3130 fcport
->login_retry
= 0;
3141 * qla2x00_local_device_login
3142 * Issue local device login command.
3145 * ha = adapter block pointer.
3146 * loop_id = loop id of device to login to.
3148 * Returns (Where's the #define!!!!):
3149 * 0 - Login successfully
3154 qla2x00_local_device_login(scsi_qla_host_t
*ha
, fc_port_t
*fcport
)
3157 uint16_t mb
[MAILBOX_REGISTER_COUNT
];
3159 memset(mb
, 0, sizeof(mb
));
3160 rval
= qla2x00_login_local_device(ha
, fcport
, mb
, BIT_0
);
3161 if (rval
== QLA_SUCCESS
) {
3162 /* Interrogate mailbox registers for any errors */
3163 if (mb
[0] == MBS_COMMAND_ERROR
)
3165 else if (mb
[0] == MBS_COMMAND_PARAMETER_ERROR
)
3166 /* device not in PCB table */
3174 * qla2x00_loop_resync
3175 * Resync with fibre channel devices.
3178 * ha = adapter block pointer.
3184 qla2x00_loop_resync(scsi_qla_host_t
*ha
)
3191 atomic_set(&ha
->loop_state
, LOOP_UPDATE
);
3192 clear_bit(ISP_ABORT_RETRY
, &ha
->dpc_flags
);
3193 if (ha
->flags
.online
) {
3194 if (!(rval
= qla2x00_fw_ready(ha
))) {
3195 /* Wait at most MAX_TARGET RSCNs for a stable link. */
3198 atomic_set(&ha
->loop_state
, LOOP_UPDATE
);
3200 /* Issue a marker after FW becomes ready. */
3201 qla2x00_marker(ha
, 0, 0, MK_SYNC_ALL
);
3202 ha
->marker_needed
= 0;
3204 /* Remap devices on Loop. */
3205 clear_bit(LOOP_RESYNC_NEEDED
, &ha
->dpc_flags
);
3207 qla2x00_configure_loop(ha
);
3209 } while (!atomic_read(&ha
->loop_down_timer
) &&
3210 !(test_bit(ISP_ABORT_NEEDED
, &ha
->dpc_flags
)) &&
3212 (test_bit(LOOP_RESYNC_NEEDED
, &ha
->dpc_flags
)));
3216 if (test_bit(ISP_ABORT_NEEDED
, &ha
->dpc_flags
)) {
3217 return (QLA_FUNCTION_FAILED
);
3221 DEBUG2_3(printk("%s(): **** FAILED ****\n", __func__
));
3228 qla2x00_update_fcports(scsi_qla_host_t
*ha
)
3232 /* Go with deferred removal of rport references. */
3233 list_for_each_entry(fcport
, &ha
->fcports
, list
)
3235 qla2x00_rport_del(fcport
);
3240 * Resets ISP and aborts all outstanding commands.
3243 * ha = adapter block pointer.
3249 qla2x00_abort_isp(scsi_qla_host_t
*ha
)
3254 if (ha
->flags
.online
) {
3255 ha
->flags
.online
= 0;
3256 clear_bit(ISP_ABORT_NEEDED
, &ha
->dpc_flags
);
3257 ha
->qla_stats
.total_isp_aborts
++;
3259 qla_printk(KERN_INFO
, ha
,
3260 "Performing ISP error recovery - ha= %p.\n", ha
);
3261 ha
->isp_ops
->reset_chip(ha
);
3263 atomic_set(&ha
->loop_down_timer
, LOOP_DOWN_TIME
);
3264 if (atomic_read(&ha
->loop_state
) != LOOP_DOWN
) {
3265 atomic_set(&ha
->loop_state
, LOOP_DOWN
);
3266 qla2x00_mark_all_devices_lost(ha
, 0);
3268 if (!atomic_read(&ha
->loop_down_timer
))
3269 atomic_set(&ha
->loop_down_timer
,
3273 /* Requeue all commands in outstanding command list. */
3274 qla2x00_abort_all_cmds(ha
, DID_RESET
<< 16);
3276 ha
->isp_ops
->get_flash_version(ha
, ha
->request_ring
);
3278 ha
->isp_ops
->nvram_config(ha
);
3280 if (!qla2x00_restart_isp(ha
)) {
3281 clear_bit(RESET_MARKER_NEEDED
, &ha
->dpc_flags
);
3283 if (!atomic_read(&ha
->loop_down_timer
)) {
3285 * Issue marker command only when we are going
3286 * to start the I/O .
3288 ha
->marker_needed
= 1;
3291 ha
->flags
.online
= 1;
3293 ha
->isp_ops
->enable_intrs(ha
);
3295 ha
->isp_abort_cnt
= 0;
3296 clear_bit(ISP_ABORT_RETRY
, &ha
->dpc_flags
);
3299 ha
->flags
.fce_enabled
= 1;
3301 fce_calc_size(ha
->fce_bufs
));
3302 rval
= qla2x00_enable_fce_trace(ha
,
3303 ha
->fce_dma
, ha
->fce_bufs
, ha
->fce_mb
,
3306 qla_printk(KERN_WARNING
, ha
,
3307 "Unable to reinitialize FCE "
3309 ha
->flags
.fce_enabled
= 0;
3314 memset(ha
->eft
, 0, EFT_SIZE
);
3315 rval
= qla2x00_enable_eft_trace(ha
,
3316 ha
->eft_dma
, EFT_NUM_BUFFERS
);
3318 qla_printk(KERN_WARNING
, ha
,
3319 "Unable to reinitialize EFT "
3323 } else { /* failed the ISP abort */
3324 ha
->flags
.online
= 1;
3325 if (test_bit(ISP_ABORT_RETRY
, &ha
->dpc_flags
)) {
3326 if (ha
->isp_abort_cnt
== 0) {
3327 qla_printk(KERN_WARNING
, ha
,
3328 "ISP error recovery failed - "
3329 "board disabled\n");
3331 * The next call disables the board
3334 ha
->isp_ops
->reset_adapter(ha
);
3335 ha
->flags
.online
= 0;
3336 clear_bit(ISP_ABORT_RETRY
,
3339 } else { /* schedule another ISP abort */
3340 ha
->isp_abort_cnt
--;
3341 DEBUG(printk("qla%ld: ISP abort - "
3342 "retry remaining %d\n",
3343 ha
->host_no
, ha
->isp_abort_cnt
));
3347 ha
->isp_abort_cnt
= MAX_RETRIES_OF_ISP_ABORT
;
3348 DEBUG(printk("qla2x00(%ld): ISP error recovery "
3349 "- retrying (%d) more times\n",
3350 ha
->host_no
, ha
->isp_abort_cnt
));
3351 set_bit(ISP_ABORT_RETRY
, &ha
->dpc_flags
);
3359 qla_printk(KERN_INFO
, ha
,
3360 "qla2x00_abort_isp: **** FAILED ****\n");
3362 DEBUG(printk(KERN_INFO
3363 "qla2x00_abort_isp(%ld): exiting.\n",
3371 * qla2x00_restart_isp
3372 * restarts the ISP after a reset
3375 * ha = adapter block pointer.
3381 qla2x00_restart_isp(scsi_qla_host_t
*ha
)
3386 /* If firmware needs to be loaded */
3387 if (qla2x00_isp_firmware(ha
)) {
3388 ha
->flags
.online
= 0;
3389 if (!(status
= ha
->isp_ops
->chip_diag(ha
)))
3390 status
= qla2x00_setup_chip(ha
);
3393 if (!status
&& !(status
= qla2x00_init_rings(ha
))) {
3394 clear_bit(RESET_MARKER_NEEDED
, &ha
->dpc_flags
);
3395 if (!(status
= qla2x00_fw_ready(ha
))) {
3396 DEBUG(printk("%s(): Start configure loop, "
3397 "status = %d\n", __func__
, status
));
3399 /* Issue a marker after FW becomes ready. */
3400 qla2x00_marker(ha
, 0, 0, MK_SYNC_ALL
);
3402 ha
->flags
.online
= 1;
3403 /* Wait at most MAX_TARGET RSCNs for a stable link. */
3406 clear_bit(LOOP_RESYNC_NEEDED
, &ha
->dpc_flags
);
3407 qla2x00_configure_loop(ha
);
3409 } while (!atomic_read(&ha
->loop_down_timer
) &&
3410 !(test_bit(ISP_ABORT_NEEDED
, &ha
->dpc_flags
)) &&
3412 (test_bit(LOOP_RESYNC_NEEDED
, &ha
->dpc_flags
)));
3415 /* if no cable then assume it's good */
3416 if ((ha
->device_flags
& DFLG_NO_CABLE
))
3419 DEBUG(printk("%s(): Configure loop done, status = 0x%x\n",
3427 * qla2x00_reset_adapter
3431 * ha = adapter block pointer.
3434 qla2x00_reset_adapter(scsi_qla_host_t
*ha
)
3436 unsigned long flags
= 0;
3437 struct device_reg_2xxx __iomem
*reg
= &ha
->iobase
->isp
;
3439 ha
->flags
.online
= 0;
3440 ha
->isp_ops
->disable_intrs(ha
);
3442 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
3443 WRT_REG_WORD(®
->hccr
, HCCR_RESET_RISC
);
3444 RD_REG_WORD(®
->hccr
); /* PCI Posting. */
3445 WRT_REG_WORD(®
->hccr
, HCCR_RELEASE_RISC
);
3446 RD_REG_WORD(®
->hccr
); /* PCI Posting. */
3447 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
3451 qla24xx_reset_adapter(scsi_qla_host_t
*ha
)
3453 unsigned long flags
= 0;
3454 struct device_reg_24xx __iomem
*reg
= &ha
->iobase
->isp24
;
3456 ha
->flags
.online
= 0;
3457 ha
->isp_ops
->disable_intrs(ha
);
3459 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
3460 WRT_REG_DWORD(®
->hccr
, HCCRX_SET_RISC_RESET
);
3461 RD_REG_DWORD(®
->hccr
);
3462 WRT_REG_DWORD(®
->hccr
, HCCRX_REL_RISC_PAUSE
);
3463 RD_REG_DWORD(®
->hccr
);
3464 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
3467 /* On sparc systems, obtain port and node WWN from firmware
3470 static void qla24xx_nvram_wwn_from_ofw(scsi_qla_host_t
*ha
, struct nvram_24xx
*nv
)
3473 struct pci_dev
*pdev
= ha
->pdev
;
3474 struct device_node
*dp
= pci_device_to_OF_node(pdev
);
3478 val
= of_get_property(dp
, "port-wwn", &len
);
3479 if (val
&& len
>= WWN_SIZE
)
3480 memcpy(nv
->port_name
, val
, WWN_SIZE
);
3482 val
= of_get_property(dp
, "node-wwn", &len
);
3483 if (val
&& len
>= WWN_SIZE
)
3484 memcpy(nv
->node_name
, val
, WWN_SIZE
);
3489 qla24xx_nvram_config(scsi_qla_host_t
*ha
)
3492 struct init_cb_24xx
*icb
;
3493 struct nvram_24xx
*nv
;
3495 uint8_t *dptr1
, *dptr2
;
3500 icb
= (struct init_cb_24xx
*)ha
->init_cb
;
3503 /* Determine NVRAM starting address. */
3504 ha
->nvram_size
= sizeof(struct nvram_24xx
);
3505 ha
->nvram_base
= FA_NVRAM_FUNC0_ADDR
;
3506 ha
->vpd_size
= FA_NVRAM_VPD_SIZE
;
3507 ha
->vpd_base
= FA_NVRAM_VPD0_ADDR
;
3508 if (PCI_FUNC(ha
->pdev
->devfn
)) {
3509 ha
->nvram_base
= FA_NVRAM_FUNC1_ADDR
;
3510 ha
->vpd_base
= FA_NVRAM_VPD1_ADDR
;
3513 /* Get VPD data into cache */
3514 ha
->vpd
= ha
->nvram
+ VPD_OFFSET
;
3515 ha
->isp_ops
->read_nvram(ha
, (uint8_t *)ha
->vpd
,
3516 ha
->nvram_base
- FA_NVRAM_FUNC0_ADDR
, FA_NVRAM_VPD_SIZE
* 4);
3518 /* Get NVRAM data into cache and calculate checksum. */
3519 dptr
= (uint32_t *)nv
;
3520 ha
->isp_ops
->read_nvram(ha
, (uint8_t *)dptr
, ha
->nvram_base
,
3522 for (cnt
= 0, chksum
= 0; cnt
< ha
->nvram_size
>> 2; cnt
++)
3523 chksum
+= le32_to_cpu(*dptr
++);
3525 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", ha
->host_no
));
3526 DEBUG5(qla2x00_dump_buffer((uint8_t *)nv
, ha
->nvram_size
));
3528 /* Bad NVRAM data, set defaults parameters. */
3529 if (chksum
|| nv
->id
[0] != 'I' || nv
->id
[1] != 'S' || nv
->id
[2] != 'P'
3530 || nv
->id
[3] != ' ' ||
3531 nv
->nvram_version
< __constant_cpu_to_le16(ICB_VERSION
)) {
3532 /* Reset NVRAM data. */
3533 qla_printk(KERN_WARNING
, ha
, "Inconsistent NVRAM detected: "
3534 "checksum=0x%x id=%c version=0x%x.\n", chksum
, nv
->id
[0],
3535 le16_to_cpu(nv
->nvram_version
));
3536 qla_printk(KERN_WARNING
, ha
, "Falling back to functioning (yet "
3537 "invalid -- WWPN) defaults.\n");
3540 * Set default initialization control block.
3542 memset(nv
, 0, ha
->nvram_size
);
3543 nv
->nvram_version
= __constant_cpu_to_le16(ICB_VERSION
);
3544 nv
->version
= __constant_cpu_to_le16(ICB_VERSION
);
3545 nv
->frame_payload_size
= __constant_cpu_to_le16(2048);
3546 nv
->execution_throttle
= __constant_cpu_to_le16(0xFFFF);
3547 nv
->exchange_count
= __constant_cpu_to_le16(0);
3548 nv
->hard_address
= __constant_cpu_to_le16(124);
3549 nv
->port_name
[0] = 0x21;
3550 nv
->port_name
[1] = 0x00 + PCI_FUNC(ha
->pdev
->devfn
);
3551 nv
->port_name
[2] = 0x00;
3552 nv
->port_name
[3] = 0xe0;
3553 nv
->port_name
[4] = 0x8b;
3554 nv
->port_name
[5] = 0x1c;
3555 nv
->port_name
[6] = 0x55;
3556 nv
->port_name
[7] = 0x86;
3557 nv
->node_name
[0] = 0x20;
3558 nv
->node_name
[1] = 0x00;
3559 nv
->node_name
[2] = 0x00;
3560 nv
->node_name
[3] = 0xe0;
3561 nv
->node_name
[4] = 0x8b;
3562 nv
->node_name
[5] = 0x1c;
3563 nv
->node_name
[6] = 0x55;
3564 nv
->node_name
[7] = 0x86;
3565 qla24xx_nvram_wwn_from_ofw(ha
, nv
);
3566 nv
->login_retry_count
= __constant_cpu_to_le16(8);
3567 nv
->interrupt_delay_timer
= __constant_cpu_to_le16(0);
3568 nv
->login_timeout
= __constant_cpu_to_le16(0);
3569 nv
->firmware_options_1
=
3570 __constant_cpu_to_le32(BIT_14
|BIT_13
|BIT_2
|BIT_1
);
3571 nv
->firmware_options_2
= __constant_cpu_to_le32(2 << 4);
3572 nv
->firmware_options_2
|= __constant_cpu_to_le32(BIT_12
);
3573 nv
->firmware_options_3
= __constant_cpu_to_le32(2 << 13);
3574 nv
->host_p
= __constant_cpu_to_le32(BIT_11
|BIT_10
);
3575 nv
->efi_parameters
= __constant_cpu_to_le32(0);
3576 nv
->reset_delay
= 5;
3577 nv
->max_luns_per_target
= __constant_cpu_to_le16(128);
3578 nv
->port_down_retry_count
= __constant_cpu_to_le16(30);
3579 nv
->link_down_timeout
= __constant_cpu_to_le16(30);
3584 /* Reset Initialization control block */
3585 memset(icb
, 0, sizeof(struct init_cb_24xx
));
3587 /* Copy 1st segment. */
3588 dptr1
= (uint8_t *)icb
;
3589 dptr2
= (uint8_t *)&nv
->version
;
3590 cnt
= (uint8_t *)&icb
->response_q_inpointer
- (uint8_t *)&icb
->version
;
3592 *dptr1
++ = *dptr2
++;
3594 icb
->login_retry_count
= nv
->login_retry_count
;
3595 icb
->link_down_on_nos
= nv
->link_down_on_nos
;
3597 /* Copy 2nd segment. */
3598 dptr1
= (uint8_t *)&icb
->interrupt_delay_timer
;
3599 dptr2
= (uint8_t *)&nv
->interrupt_delay_timer
;
3600 cnt
= (uint8_t *)&icb
->reserved_3
-
3601 (uint8_t *)&icb
->interrupt_delay_timer
;
3603 *dptr1
++ = *dptr2
++;
3606 * Setup driver NVRAM options.
3608 qla2x00_set_model_info(ha
, nv
->model_name
, sizeof(nv
->model_name
),
3611 /* Use alternate WWN? */
3612 if (nv
->host_p
& __constant_cpu_to_le32(BIT_15
)) {
3613 memcpy(icb
->node_name
, nv
->alternate_node_name
, WWN_SIZE
);
3614 memcpy(icb
->port_name
, nv
->alternate_port_name
, WWN_SIZE
);
3617 /* Prepare nodename */
3618 if ((icb
->firmware_options_1
& __constant_cpu_to_le32(BIT_14
)) == 0) {
3620 * Firmware will apply the following mask if the nodename was
3623 memcpy(icb
->node_name
, icb
->port_name
, WWN_SIZE
);
3624 icb
->node_name
[0] &= 0xF0;
3627 /* Set host adapter parameters. */
3628 ha
->flags
.disable_risc_code_load
= 0;
3629 ha
->flags
.enable_lip_reset
= 0;
3630 ha
->flags
.enable_lip_full_login
=
3631 le32_to_cpu(nv
->host_p
) & BIT_10
? 1: 0;
3632 ha
->flags
.enable_target_reset
=
3633 le32_to_cpu(nv
->host_p
) & BIT_11
? 1: 0;
3634 ha
->flags
.enable_led_scheme
= 0;
3635 ha
->flags
.disable_serdes
= le32_to_cpu(nv
->host_p
) & BIT_5
? 1: 0;
3637 ha
->operating_mode
= (le32_to_cpu(icb
->firmware_options_2
) &
3638 (BIT_6
| BIT_5
| BIT_4
)) >> 4;
3640 memcpy(ha
->fw_seriallink_options24
, nv
->seriallink_options
,
3641 sizeof(ha
->fw_seriallink_options24
));
3643 /* save HBA serial number */
3644 ha
->serial0
= icb
->port_name
[5];
3645 ha
->serial1
= icb
->port_name
[6];
3646 ha
->serial2
= icb
->port_name
[7];
3647 ha
->node_name
= icb
->node_name
;
3648 ha
->port_name
= icb
->port_name
;
3650 icb
->execution_throttle
= __constant_cpu_to_le16(0xFFFF);
3652 ha
->retry_count
= le16_to_cpu(nv
->login_retry_count
);
3654 /* Set minimum login_timeout to 4 seconds. */
3655 if (le16_to_cpu(nv
->login_timeout
) < ql2xlogintimeout
)
3656 nv
->login_timeout
= cpu_to_le16(ql2xlogintimeout
);
3657 if (le16_to_cpu(nv
->login_timeout
) < 4)
3658 nv
->login_timeout
= __constant_cpu_to_le16(4);
3659 ha
->login_timeout
= le16_to_cpu(nv
->login_timeout
);
3660 icb
->login_timeout
= nv
->login_timeout
;
3662 /* Set minimum RATOV to 100 tenths of a second. */
3665 ha
->loop_reset_delay
= nv
->reset_delay
;
3667 /* Link Down Timeout = 0:
3669 * When Port Down timer expires we will start returning
3670 * I/O's to OS with "DID_NO_CONNECT".
3672 * Link Down Timeout != 0:
3674 * The driver waits for the link to come up after link down
3675 * before returning I/Os to OS with "DID_NO_CONNECT".
3677 if (le16_to_cpu(nv
->link_down_timeout
) == 0) {
3678 ha
->loop_down_abort_time
=
3679 (LOOP_DOWN_TIME
- LOOP_DOWN_TIMEOUT
);
3681 ha
->link_down_timeout
= le16_to_cpu(nv
->link_down_timeout
);
3682 ha
->loop_down_abort_time
=
3683 (LOOP_DOWN_TIME
- ha
->link_down_timeout
);
3686 /* Need enough time to try and get the port back. */
3687 ha
->port_down_retry_count
= le16_to_cpu(nv
->port_down_retry_count
);
3688 if (qlport_down_retry
)
3689 ha
->port_down_retry_count
= qlport_down_retry
;
3691 /* Set login_retry_count */
3692 ha
->login_retry_count
= le16_to_cpu(nv
->login_retry_count
);
3693 if (ha
->port_down_retry_count
==
3694 le16_to_cpu(nv
->port_down_retry_count
) &&
3695 ha
->port_down_retry_count
> 3)
3696 ha
->login_retry_count
= ha
->port_down_retry_count
;
3697 else if (ha
->port_down_retry_count
> (int)ha
->login_retry_count
)
3698 ha
->login_retry_count
= ha
->port_down_retry_count
;
3699 if (ql2xloginretrycount
)
3700 ha
->login_retry_count
= ql2xloginretrycount
;
3703 if (!ha
->flags
.init_done
) {
3704 ha
->zio_mode
= le32_to_cpu(icb
->firmware_options_2
) &
3705 (BIT_3
| BIT_2
| BIT_1
| BIT_0
);
3706 ha
->zio_timer
= le16_to_cpu(icb
->interrupt_delay_timer
) ?
3707 le16_to_cpu(icb
->interrupt_delay_timer
): 2;
3709 icb
->firmware_options_2
&= __constant_cpu_to_le32(
3710 ~(BIT_3
| BIT_2
| BIT_1
| BIT_0
));
3711 ha
->flags
.process_response_queue
= 0;
3712 if (ha
->zio_mode
!= QLA_ZIO_DISABLED
) {
3713 ha
->zio_mode
= QLA_ZIO_MODE_6
;
3715 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer delay "
3716 "(%d us).\n", ha
->host_no
, ha
->zio_mode
,
3717 ha
->zio_timer
* 100));
3718 qla_printk(KERN_INFO
, ha
,
3719 "ZIO mode %d enabled; timer delay (%d us).\n",
3720 ha
->zio_mode
, ha
->zio_timer
* 100);
3722 icb
->firmware_options_2
|= cpu_to_le32(
3723 (uint32_t)ha
->zio_mode
);
3724 icb
->interrupt_delay_timer
= cpu_to_le16(ha
->zio_timer
);
3725 ha
->flags
.process_response_queue
= 1;
3729 DEBUG2_3(printk(KERN_WARNING
3730 "scsi(%ld): NVRAM configuration failed!\n", ha
->host_no
));
3736 qla24xx_load_risc_flash(scsi_qla_host_t
*ha
, uint32_t *srisc_addr
)
3739 int segments
, fragment
;
3741 uint32_t *dcode
, dlen
;
3748 segments
= FA_RISC_CODE_SEGMENTS
;
3749 faddr
= FA_RISC_CODE_ADDR
;
3750 dcode
= (uint32_t *)ha
->request_ring
;
3753 /* Validate firmware image by checking version. */
3754 qla24xx_read_flash_data(ha
, dcode
, faddr
+ 4, 4);
3755 for (i
= 0; i
< 4; i
++)
3756 dcode
[i
] = be32_to_cpu(dcode
[i
]);
3757 if ((dcode
[0] == 0xffffffff && dcode
[1] == 0xffffffff &&
3758 dcode
[2] == 0xffffffff && dcode
[3] == 0xffffffff) ||
3759 (dcode
[0] == 0 && dcode
[1] == 0 && dcode
[2] == 0 &&
3761 qla_printk(KERN_WARNING
, ha
,
3762 "Unable to verify integrity of flash firmware image!\n");
3763 qla_printk(KERN_WARNING
, ha
,
3764 "Firmware data: %08x %08x %08x %08x!\n", dcode
[0],
3765 dcode
[1], dcode
[2], dcode
[3]);
3767 return QLA_FUNCTION_FAILED
;
3770 while (segments
&& rval
== QLA_SUCCESS
) {
3771 /* Read segment's load information. */
3772 qla24xx_read_flash_data(ha
, dcode
, faddr
, 4);
3774 risc_addr
= be32_to_cpu(dcode
[2]);
3775 *srisc_addr
= *srisc_addr
== 0 ? risc_addr
: *srisc_addr
;
3776 risc_size
= be32_to_cpu(dcode
[3]);
3779 while (risc_size
> 0 && rval
== QLA_SUCCESS
) {
3780 dlen
= (uint32_t)(ha
->fw_transfer_size
>> 2);
3781 if (dlen
> risc_size
)
3784 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
3785 "addr %x, number of dwords 0x%x, offset 0x%x.\n",
3786 ha
->host_no
, risc_addr
, dlen
, faddr
));
3788 qla24xx_read_flash_data(ha
, dcode
, faddr
, dlen
);
3789 for (i
= 0; i
< dlen
; i
++)
3790 dcode
[i
] = swab32(dcode
[i
]);
3792 rval
= qla2x00_load_ram(ha
, ha
->request_dma
, risc_addr
,
3795 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
3796 "segment %d of firmware\n", ha
->host_no
,
3798 qla_printk(KERN_WARNING
, ha
,
3799 "[ERROR] Failed to load segment %d of "
3800 "firmware\n", fragment
);
3817 #define QLA_FW_URL "ftp://ftp.qlogic.com/outgoing/linux/firmware/"
3820 qla2x00_load_risc(scsi_qla_host_t
*ha
, uint32_t *srisc_addr
)
3824 uint16_t *wcode
, *fwcode
;
3825 uint32_t risc_addr
, risc_size
, fwclen
, wlen
, *seg
;
3826 struct fw_blob
*blob
;
3828 /* Load firmware blob. */
3829 blob
= qla2x00_request_firmware(ha
);
3831 qla_printk(KERN_ERR
, ha
, "Firmware image unavailable.\n");
3832 qla_printk(KERN_ERR
, ha
, "Firmware images can be retrieved "
3833 "from: " QLA_FW_URL
".\n");
3834 return QLA_FUNCTION_FAILED
;
3839 wcode
= (uint16_t *)ha
->request_ring
;
3841 fwcode
= (uint16_t *)blob
->fw
->data
;
3844 /* Validate firmware image by checking version. */
3845 if (blob
->fw
->size
< 8 * sizeof(uint16_t)) {
3846 qla_printk(KERN_WARNING
, ha
,
3847 "Unable to verify integrity of firmware image (%Zd)!\n",
3849 goto fail_fw_integrity
;
3851 for (i
= 0; i
< 4; i
++)
3852 wcode
[i
] = be16_to_cpu(fwcode
[i
+ 4]);
3853 if ((wcode
[0] == 0xffff && wcode
[1] == 0xffff && wcode
[2] == 0xffff &&
3854 wcode
[3] == 0xffff) || (wcode
[0] == 0 && wcode
[1] == 0 &&
3855 wcode
[2] == 0 && wcode
[3] == 0)) {
3856 qla_printk(KERN_WARNING
, ha
,
3857 "Unable to verify integrity of firmware image!\n");
3858 qla_printk(KERN_WARNING
, ha
,
3859 "Firmware data: %04x %04x %04x %04x!\n", wcode
[0],
3860 wcode
[1], wcode
[2], wcode
[3]);
3861 goto fail_fw_integrity
;
3865 while (*seg
&& rval
== QLA_SUCCESS
) {
3867 *srisc_addr
= *srisc_addr
== 0 ? *seg
: *srisc_addr
;
3868 risc_size
= be16_to_cpu(fwcode
[3]);
3870 /* Validate firmware image size. */
3871 fwclen
+= risc_size
* sizeof(uint16_t);
3872 if (blob
->fw
->size
< fwclen
) {
3873 qla_printk(KERN_WARNING
, ha
,
3874 "Unable to verify integrity of firmware image "
3875 "(%Zd)!\n", blob
->fw
->size
);
3876 goto fail_fw_integrity
;
3880 while (risc_size
> 0 && rval
== QLA_SUCCESS
) {
3881 wlen
= (uint16_t)(ha
->fw_transfer_size
>> 1);
3882 if (wlen
> risc_size
)
3885 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
3886 "addr %x, number of words 0x%x.\n", ha
->host_no
,
3889 for (i
= 0; i
< wlen
; i
++)
3890 wcode
[i
] = swab16(fwcode
[i
]);
3892 rval
= qla2x00_load_ram(ha
, ha
->request_dma
, risc_addr
,
3895 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
3896 "segment %d of firmware\n", ha
->host_no
,
3898 qla_printk(KERN_WARNING
, ha
,
3899 "[ERROR] Failed to load segment %d of "
3900 "firmware\n", fragment
);
3916 return QLA_FUNCTION_FAILED
;
3920 qla24xx_load_risc(scsi_qla_host_t
*ha
, uint32_t *srisc_addr
)
3923 int segments
, fragment
;
3924 uint32_t *dcode
, dlen
;
3928 struct fw_blob
*blob
;
3929 uint32_t *fwcode
, fwclen
;
3931 /* Load firmware blob. */
3932 blob
= qla2x00_request_firmware(ha
);
3934 qla_printk(KERN_ERR
, ha
, "Firmware image unavailable.\n");
3935 qla_printk(KERN_ERR
, ha
, "Firmware images can be retrieved "
3936 "from: " QLA_FW_URL
".\n");
3938 /* Try to load RISC code from flash. */
3939 qla_printk(KERN_ERR
, ha
, "Attempting to load (potentially "
3940 "outdated) firmware from flash.\n");
3941 return qla24xx_load_risc_flash(ha
, srisc_addr
);
3946 segments
= FA_RISC_CODE_SEGMENTS
;
3947 dcode
= (uint32_t *)ha
->request_ring
;
3949 fwcode
= (uint32_t *)blob
->fw
->data
;
3952 /* Validate firmware image by checking version. */
3953 if (blob
->fw
->size
< 8 * sizeof(uint32_t)) {
3954 qla_printk(KERN_WARNING
, ha
,
3955 "Unable to verify integrity of firmware image (%Zd)!\n",
3957 goto fail_fw_integrity
;
3959 for (i
= 0; i
< 4; i
++)
3960 dcode
[i
] = be32_to_cpu(fwcode
[i
+ 4]);
3961 if ((dcode
[0] == 0xffffffff && dcode
[1] == 0xffffffff &&
3962 dcode
[2] == 0xffffffff && dcode
[3] == 0xffffffff) ||
3963 (dcode
[0] == 0 && dcode
[1] == 0 && dcode
[2] == 0 &&
3965 qla_printk(KERN_WARNING
, ha
,
3966 "Unable to verify integrity of firmware image!\n");
3967 qla_printk(KERN_WARNING
, ha
,
3968 "Firmware data: %08x %08x %08x %08x!\n", dcode
[0],
3969 dcode
[1], dcode
[2], dcode
[3]);
3970 goto fail_fw_integrity
;
3973 while (segments
&& rval
== QLA_SUCCESS
) {
3974 risc_addr
= be32_to_cpu(fwcode
[2]);
3975 *srisc_addr
= *srisc_addr
== 0 ? risc_addr
: *srisc_addr
;
3976 risc_size
= be32_to_cpu(fwcode
[3]);
3978 /* Validate firmware image size. */
3979 fwclen
+= risc_size
* sizeof(uint32_t);
3980 if (blob
->fw
->size
< fwclen
) {
3981 qla_printk(KERN_WARNING
, ha
,
3982 "Unable to verify integrity of firmware image "
3983 "(%Zd)!\n", blob
->fw
->size
);
3985 goto fail_fw_integrity
;
3989 while (risc_size
> 0 && rval
== QLA_SUCCESS
) {
3990 dlen
= (uint32_t)(ha
->fw_transfer_size
>> 2);
3991 if (dlen
> risc_size
)
3994 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
3995 "addr %x, number of dwords 0x%x.\n", ha
->host_no
,
3998 for (i
= 0; i
< dlen
; i
++)
3999 dcode
[i
] = swab32(fwcode
[i
]);
4001 rval
= qla2x00_load_ram(ha
, ha
->request_dma
, risc_addr
,
4004 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
4005 "segment %d of firmware\n", ha
->host_no
,
4007 qla_printk(KERN_WARNING
, ha
,
4008 "[ERROR] Failed to load segment %d of "
4009 "firmware\n", fragment
);
4025 return QLA_FUNCTION_FAILED
;
4029 qla2x00_try_to_stop_firmware(scsi_qla_host_t
*ha
)
4033 if (!IS_FWI2_CAPABLE(ha
))
4035 if (!ha
->fw_major_version
)
4038 ret
= qla2x00_stop_firmware(ha
);
4039 for (retries
= 5; ret
!= QLA_SUCCESS
&& ret
!= QLA_FUNCTION_TIMEOUT
&&
4040 retries
; retries
--) {
4041 qla2x00_reset_chip(ha
);
4042 if (qla2x00_chip_diag(ha
) != QLA_SUCCESS
)
4044 if (qla2x00_setup_chip(ha
) != QLA_SUCCESS
)
4046 qla_printk(KERN_INFO
, ha
,
4047 "Attempting retry of stop-firmware command...\n");
4048 ret
= qla2x00_stop_firmware(ha
);
4053 qla24xx_configure_vhba(scsi_qla_host_t
*ha
)
4055 int rval
= QLA_SUCCESS
;
4056 uint16_t mb
[MAILBOX_REGISTER_COUNT
];
4061 rval
= qla2x00_fw_ready(ha
->parent
);
4062 if (rval
== QLA_SUCCESS
) {
4063 clear_bit(RESET_MARKER_NEEDED
, &ha
->dpc_flags
);
4064 qla2x00_marker(ha
, 0, 0, MK_SYNC_ALL
);
4067 ha
->flags
.management_server_logged_in
= 0;
4069 /* Login to SNS first */
4070 qla24xx_login_fabric(ha
->parent
, NPH_SNS
, 0xff, 0xff, 0xfc,
4072 if (mb
[0] != MBS_COMMAND_COMPLETE
) {
4073 DEBUG15(qla_printk(KERN_INFO
, ha
,
4074 "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
4075 "mb[2]=%x mb[6]=%x mb[7]=%x\n", NPH_SNS
,
4076 mb
[0], mb
[1], mb
[2], mb
[6], mb
[7]));
4077 return (QLA_FUNCTION_FAILED
);
4080 atomic_set(&ha
->loop_down_timer
, 0);
4081 atomic_set(&ha
->loop_state
, LOOP_UP
);
4082 set_bit(LOOP_RESYNC_NEEDED
, &ha
->dpc_flags
);
4083 set_bit(LOCAL_LOOP_UPDATE
, &ha
->dpc_flags
);
4084 rval
= qla2x00_loop_resync(ha
->parent
);
4089 /* 84XX Support **************************************************************/
4091 static LIST_HEAD(qla_cs84xx_list
);
4092 static DEFINE_MUTEX(qla_cs84xx_mutex
);
4094 static struct qla_chip_state_84xx
*
4095 qla84xx_get_chip(struct scsi_qla_host
*ha
)
4097 struct qla_chip_state_84xx
*cs84xx
;
4099 mutex_lock(&qla_cs84xx_mutex
);
4101 /* Find any shared 84xx chip. */
4102 list_for_each_entry(cs84xx
, &qla_cs84xx_list
, list
) {
4103 if (cs84xx
->bus
== ha
->pdev
->bus
) {
4104 kref_get(&cs84xx
->kref
);
4109 cs84xx
= kzalloc(sizeof(*cs84xx
), GFP_KERNEL
);
4113 kref_init(&cs84xx
->kref
);
4114 spin_lock_init(&cs84xx
->access_lock
);
4115 mutex_init(&cs84xx
->fw_update_mutex
);
4116 cs84xx
->bus
= ha
->pdev
->bus
;
4118 list_add_tail(&cs84xx
->list
, &qla_cs84xx_list
);
4120 mutex_unlock(&qla_cs84xx_mutex
);
4125 __qla84xx_chip_release(struct kref
*kref
)
4127 struct qla_chip_state_84xx
*cs84xx
=
4128 container_of(kref
, struct qla_chip_state_84xx
, kref
);
4130 mutex_lock(&qla_cs84xx_mutex
);
4131 list_del(&cs84xx
->list
);
4132 mutex_unlock(&qla_cs84xx_mutex
);
4137 qla84xx_put_chip(struct scsi_qla_host
*ha
)
4140 kref_put(&ha
->cs84xx
->kref
, __qla84xx_chip_release
);
4144 qla84xx_init_chip(scsi_qla_host_t
*ha
)
4149 mutex_lock(&ha
->cs84xx
->fw_update_mutex
);
4151 rval
= qla84xx_verify_chip(ha
, status
);
4153 mutex_unlock(&ha
->cs84xx
->fw_update_mutex
);
4155 return rval
!= QLA_SUCCESS
|| status
[0] ? QLA_FUNCTION_FAILED
: